Initial commit — WPF guitar note name tutor using FFT frequency detection
This commit is contained in:
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bin/
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obj/
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*.suo
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*.user
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.vs/
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Copyright (c) 2009 notmasteryet
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation
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files (the "Software"), to deal in the Software without
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restriction, including without limitation the rights to use,
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copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following
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conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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using System;
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namespace FrequencyDetection
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{
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public class FrequencyDetectedEventArgs : EventArgs
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{
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readonly double _frequency;
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public double Frequency
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{
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get { return _frequency; }
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}
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public FrequencyDetectedEventArgs(double frequency)
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{
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_frequency = frequency;
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}
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}
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}
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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="3.5" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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||||||
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<PropertyGroup>
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||||||
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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||||||
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<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
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||||||
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<ProductVersion>9.0.30729</ProductVersion>
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||||||
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<SchemaVersion>2.0</SchemaVersion>
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||||||
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<ProjectGuid>{72165201-B9EA-45BD-96F9-9E81094C9BF0}</ProjectGuid>
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||||||
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<OutputType>Library</OutputType>
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<AppDesignerFolder>Properties</AppDesignerFolder>
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<RootNamespace>FrequencyDetection</RootNamespace>
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<AssemblyName>FrequencyDetection</AssemblyName>
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<TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
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<FileAlignment>512</FileAlignment>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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||||||
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<Optimize>false</Optimize>
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||||||
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<OutputPath>bin\Debug\</OutputPath>
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||||||
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<DefineConstants>DEBUG;TRACE</DefineConstants>
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||||||
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
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<DebugType>pdbonly</DebugType>
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<Optimize>true</Optimize>
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||||||
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<OutputPath>bin\Release\</OutputPath>
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||||||
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<DefineConstants>TRACE</DefineConstants>
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||||||
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<ErrorReport>prompt</ErrorReport>
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||||||
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<WarningLevel>4</WarningLevel>
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||||||
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</PropertyGroup>
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<ItemGroup>
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<Reference Include="System" />
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<Reference Include="System.Core">
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<RequiredTargetFramework>3.5</RequiredTargetFramework>
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</Reference>
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<Reference Include="System.Xml.Linq">
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<RequiredTargetFramework>3.5</RequiredTargetFramework>
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</Reference>
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<Reference Include="System.Data.DataSetExtensions">
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<RequiredTargetFramework>3.5</RequiredTargetFramework>
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</Reference>
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<Reference Include="System.Data" />
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<Reference Include="System.Xml" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="FrequencyDetectedEventArgs.cs" />
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<Compile Include="FrequencyInfoSource.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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<Compile Include="SoundFrequencyInfoSource.cs" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\SoundAnalysis\SoundAnalysis.csproj">
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<Project>{ABA54DC3-324B-49DE-B79E-C4F573306E4F}</Project>
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<Name>SoundAnalysis</Name>
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</ProjectReference>
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<ProjectReference Include="..\SoundCapture\SoundCapture.csproj">
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<Project>{DAE12676-B26C-4487-A1A5-D7FE2E64E6CE}</Project>
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<Name>SoundCapture</Name>
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</ProjectReference>
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</ItemGroup>
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<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
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<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
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Other similar extension points exist, see Microsoft.Common.targets.
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<Target Name="BeforeBuild">
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</Target>
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<Target Name="AfterBuild">
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</Target>
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-->
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</Project>
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@@ -0,0 +1,20 @@
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using System;
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namespace FrequencyDetection
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{
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public abstract class FrequencyInfoSource
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{
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public abstract void Listen();
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public abstract void Stop();
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public event EventHandler<FrequencyDetectedEventArgs> FrequencyDetected;
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protected void OnFrequencyDetected(FrequencyDetectedEventArgs e)
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{
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if (FrequencyDetected != null)
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{
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FrequencyDetected(this, e);
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}
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}
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}
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}
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using System.Reflection;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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// General Information about an assembly is controlled through the following
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// set of attributes. Change these attribute values to modify the information
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||||||
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// associated with an assembly.
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[assembly: AssemblyTitle("FrequencyDetection")]
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[assembly: AssemblyDescription("")]
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[assembly: AssemblyConfiguration("")]
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[assembly: AssemblyCompany("")]
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[assembly: AssemblyProduct("FrequencyDetection")]
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[assembly: AssemblyCopyright("Copyright © 2009")]
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[assembly: AssemblyTrademark("")]
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[assembly: AssemblyCulture("")]
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||||||
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// Setting ComVisible to false makes the types in this assembly not visible
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||||||
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// to COM components. If you need to access a type in this assembly from
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||||||
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// COM, set the ComVisible attribute to true on that type.
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||||||
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[assembly: ComVisible(false)]
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||||||
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||||||
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// The following GUID is for the ID of the typelib if this project is exposed to COM
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||||||
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[assembly: Guid("cad84e03-98ea-4500-98e4-eef0b4e47094")]
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||||||
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||||||
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// Version information for an assembly consists of the following four values:
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//
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// Major Version
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||||||
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// Minor Version
|
||||||
|
// Build Number
|
||||||
|
// Revision
|
||||||
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//
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||||||
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// You can specify all the values or you can default the Build and Revision Numbers
|
||||||
|
// by using the '*' as shown below:
|
||||||
|
// [assembly: AssemblyVersion("1.0.*")]
|
||||||
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[assembly: AssemblyVersion("1.0.0.0")]
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||||||
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[assembly: AssemblyFileVersion("1.0.0.0")]
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using System;
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using SoundAnalysis;
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using SoundCapture;
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namespace FrequencyDetection
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{
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||||||
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public class SoundFrequencyInfoSource : FrequencyInfoSource
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||||||
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{
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readonly SoundCaptureDevice _device;
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||||||
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Adapter _adapter;
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||||||
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||||||
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public SoundFrequencyInfoSource(SoundCaptureDevice device)
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||||||
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{
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||||||
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_device = device;
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}
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||||||
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||||||
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public override void Listen()
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||||||
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{
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_adapter = new Adapter(this, _device);
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_adapter.Start();
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||||||
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}
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||||||
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||||||
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public override void Stop()
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||||||
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{
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_adapter.Stop();
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}
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||||||
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||||||
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class Adapter : SoundCaptureBase
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||||||
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{
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||||||
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readonly SoundFrequencyInfoSource _owner;
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const double MinFreq = 60;
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const double MaxFreq = 1300;
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||||||
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||||||
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internal Adapter(SoundFrequencyInfoSource owner, SoundCaptureDevice device)
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||||||
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: base(device)
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||||||
|
{
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||||||
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_owner = owner;
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||||||
|
}
|
||||||
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||||||
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protected override void ProcessData(short[] data)
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||||||
|
{
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||||||
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double[] x = new double[data.Length];
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||||||
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for (int i = 0; i < x.Length; i++)
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||||||
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{
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||||||
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x[i] = data[i];
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||||||
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}
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||||||
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||||||
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double[] spectr = FftAlgorithm.Calculate(x);
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||||||
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int index = 0;
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double max = spectr[0];
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int usefullMaxSpectr = Math.Min(spectr.Length,
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(int)(MaxFreq * spectr.Length / SampleRate) + 1);
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||||||
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for (int i = 1; i < usefullMaxSpectr; i++)
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||||||
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{
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||||||
|
if (max < spectr[i])
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||||||
|
{
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||||||
|
max = spectr[i]; index = i;
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||||||
|
}
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||||||
|
}
|
||||||
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||||||
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double freq = (double)SampleRate * index / spectr.Length;
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if (freq < MinFreq) freq = 0;
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||||||
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||||||
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_owner.OnFrequencyDetected(new FrequencyDetectedEventArgs(freq));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
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||||||
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||||||
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Microsoft Visual Studio Solution File, Format Version 10.00
|
||||||
|
# Visual Studio 2008
|
||||||
|
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GuitarNoteNameTutor", "GuitarNoteNameTutor\GuitarNoteNameTutor.csproj", "{5C2AEEC3-B46A-4A40-B900-3C23CAD3FD7E}"
|
||||||
|
EndProject
|
||||||
|
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SoundAnalysis", "SoundAnalysis\SoundAnalysis.csproj", "{ABA54DC3-324B-49DE-B79E-C4F573306E4F}"
|
||||||
|
EndProject
|
||||||
|
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SoundCapture", "SoundCapture\SoundCapture.csproj", "{DAE12676-B26C-4487-A1A5-D7FE2E64E6CE}"
|
||||||
|
EndProject
|
||||||
|
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FrequencyDetection", "FrequencyDetection\FrequencyDetection.csproj", "{72165201-B9EA-45BD-96F9-9E81094C9BF0}"
|
||||||
|
EndProject
|
||||||
|
Global
|
||||||
|
GlobalSection(SolutionConfigurationPlatforms) = preSolution
|
||||||
|
Debug|Any CPU = Debug|Any CPU
|
||||||
|
Release|Any CPU = Release|Any CPU
|
||||||
|
EndGlobalSection
|
||||||
|
GlobalSection(ProjectConfigurationPlatforms) = postSolution
|
||||||
|
{5C2AEEC3-B46A-4A40-B900-3C23CAD3FD7E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||||
|
{5C2AEEC3-B46A-4A40-B900-3C23CAD3FD7E}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||||
|
{5C2AEEC3-B46A-4A40-B900-3C23CAD3FD7E}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||||
|
{5C2AEEC3-B46A-4A40-B900-3C23CAD3FD7E}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||||
|
{ABA54DC3-324B-49DE-B79E-C4F573306E4F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||||
|
{ABA54DC3-324B-49DE-B79E-C4F573306E4F}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||||
|
{ABA54DC3-324B-49DE-B79E-C4F573306E4F}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||||
|
{ABA54DC3-324B-49DE-B79E-C4F573306E4F}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||||
|
{DAE12676-B26C-4487-A1A5-D7FE2E64E6CE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||||
|
{DAE12676-B26C-4487-A1A5-D7FE2E64E6CE}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||||
|
{DAE12676-B26C-4487-A1A5-D7FE2E64E6CE}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||||
|
{DAE12676-B26C-4487-A1A5-D7FE2E64E6CE}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||||
|
{72165201-B9EA-45BD-96F9-9E81094C9BF0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||||
|
{72165201-B9EA-45BD-96F9-9E81094C9BF0}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||||
|
{72165201-B9EA-45BD-96F9-9E81094C9BF0}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||||
|
{72165201-B9EA-45BD-96F9-9E81094C9BF0}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||||
|
EndGlobalSection
|
||||||
|
GlobalSection(SolutionProperties) = preSolution
|
||||||
|
HideSolutionNode = FALSE
|
||||||
|
EndGlobalSection
|
||||||
|
EndGlobal
|
||||||
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|||||||
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<Application x:Class="GuitarNoteNameTutor.App"
|
||||||
|
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
|
||||||
|
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
|
||||||
|
StartupUri="Window.xaml">
|
||||||
|
<Application.Resources>
|
||||||
|
|
||||||
|
</Application.Resources>
|
||||||
|
</Application>
|
||||||
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|
|||||||
|
using System;
|
||||||
|
using System.Collections.Generic;
|
||||||
|
using System.Configuration;
|
||||||
|
using System.Data;
|
||||||
|
using System.Linq;
|
||||||
|
using System.Windows;
|
||||||
|
|
||||||
|
namespace GuitarNoteNameTutor
|
||||||
|
{
|
||||||
|
/// <summary>
|
||||||
|
/// Interaction logic for App.xaml
|
||||||
|
/// </summary>
|
||||||
|
public partial class App : Application
|
||||||
|
{
|
||||||
|
}
|
||||||
|
}
|
||||||
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|
|||||||
|
<?xml version="1.0" encoding="utf-8"?>
|
||||||
|
<Project ToolsVersion="3.5" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
|
||||||
|
<PropertyGroup>
|
||||||
|
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
|
||||||
|
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
|
||||||
|
<ProductVersion>9.0.30729</ProductVersion>
|
||||||
|
<SchemaVersion>2.0</SchemaVersion>
|
||||||
|
<ProjectGuid>{5C2AEEC3-B46A-4A40-B900-3C23CAD3FD7E}</ProjectGuid>
|
||||||
|
<OutputType>WinExe</OutputType>
|
||||||
|
<AppDesignerFolder>Properties</AppDesignerFolder>
|
||||||
|
<RootNamespace>GuitarNoteNameTutor</RootNamespace>
|
||||||
|
<AssemblyName>GuitarNoteNameTutor</AssemblyName>
|
||||||
|
<TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
|
||||||
|
<FileAlignment>512</FileAlignment>
|
||||||
|
<ProjectTypeGuids>{60dc8134-eba5-43b8-bcc9-bb4bc16c2548};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
|
||||||
|
<WarningLevel>4</WarningLevel>
|
||||||
|
</PropertyGroup>
|
||||||
|
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
|
||||||
|
<DebugSymbols>true</DebugSymbols>
|
||||||
|
<DebugType>full</DebugType>
|
||||||
|
<Optimize>false</Optimize>
|
||||||
|
<OutputPath>bin\Debug\</OutputPath>
|
||||||
|
<DefineConstants>DEBUG;TRACE</DefineConstants>
|
||||||
|
<ErrorReport>prompt</ErrorReport>
|
||||||
|
<WarningLevel>4</WarningLevel>
|
||||||
|
</PropertyGroup>
|
||||||
|
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
|
||||||
|
<DebugType>pdbonly</DebugType>
|
||||||
|
<Optimize>true</Optimize>
|
||||||
|
<OutputPath>bin\Release\</OutputPath>
|
||||||
|
<DefineConstants>TRACE</DefineConstants>
|
||||||
|
<ErrorReport>prompt</ErrorReport>
|
||||||
|
<WarningLevel>4</WarningLevel>
|
||||||
|
</PropertyGroup>
|
||||||
|
<ItemGroup>
|
||||||
|
<Reference Include="System" />
|
||||||
|
<Reference Include="System.Core">
|
||||||
|
<RequiredTargetFramework>3.5</RequiredTargetFramework>
|
||||||
|
</Reference>
|
||||||
|
<Reference Include="System.Xml.Linq">
|
||||||
|
<RequiredTargetFramework>3.5</RequiredTargetFramework>
|
||||||
|
</Reference>
|
||||||
|
<Reference Include="System.Data.DataSetExtensions">
|
||||||
|
<RequiredTargetFramework>3.5</RequiredTargetFramework>
|
||||||
|
</Reference>
|
||||||
|
<Reference Include="System.Data" />
|
||||||
|
<Reference Include="System.Xml" />
|
||||||
|
<Reference Include="UIAutomationProvider">
|
||||||
|
<RequiredTargetFramework>3.0</RequiredTargetFramework>
|
||||||
|
</Reference>
|
||||||
|
<Reference Include="WindowsBase">
|
||||||
|
<RequiredTargetFramework>3.0</RequiredTargetFramework>
|
||||||
|
</Reference>
|
||||||
|
<Reference Include="PresentationCore">
|
||||||
|
<RequiredTargetFramework>3.0</RequiredTargetFramework>
|
||||||
|
</Reference>
|
||||||
|
<Reference Include="PresentationFramework">
|
||||||
|
<RequiredTargetFramework>3.0</RequiredTargetFramework>
|
||||||
|
</Reference>
|
||||||
|
</ItemGroup>
|
||||||
|
<ItemGroup>
|
||||||
|
<ApplicationDefinition Include="App.xaml">
|
||||||
|
<Generator>MSBuild:Compile</Generator>
|
||||||
|
<SubType>Designer</SubType>
|
||||||
|
</ApplicationDefinition>
|
||||||
|
<Page Include="SelectDevice.xaml">
|
||||||
|
<SubType>Designer</SubType>
|
||||||
|
<Generator>MSBuild:Compile</Generator>
|
||||||
|
</Page>
|
||||||
|
<Page Include="Window.xaml">
|
||||||
|
<Generator>MSBuild:Compile</Generator>
|
||||||
|
<SubType>Designer</SubType>
|
||||||
|
</Page>
|
||||||
|
<Compile Include="App.xaml.cs">
|
||||||
|
<DependentUpon>App.xaml</DependentUpon>
|
||||||
|
<SubType>Code</SubType>
|
||||||
|
</Compile>
|
||||||
|
<Compile Include="Window.xaml.cs">
|
||||||
|
<DependentUpon>Window.xaml</DependentUpon>
|
||||||
|
<SubType>Code</SubType>
|
||||||
|
</Compile>
|
||||||
|
</ItemGroup>
|
||||||
|
<ItemGroup>
|
||||||
|
<Compile Include="Properties\AssemblyInfo.cs">
|
||||||
|
<SubType>Code</SubType>
|
||||||
|
</Compile>
|
||||||
|
<Compile Include="Properties\Resources.Designer.cs">
|
||||||
|
<AutoGen>True</AutoGen>
|
||||||
|
<DesignTime>True</DesignTime>
|
||||||
|
<DependentUpon>Resources.resx</DependentUpon>
|
||||||
|
</Compile>
|
||||||
|
<Compile Include="Properties\Settings.Designer.cs">
|
||||||
|
<AutoGen>True</AutoGen>
|
||||||
|
<DependentUpon>Settings.settings</DependentUpon>
|
||||||
|
<DesignTimeSharedInput>True</DesignTimeSharedInput>
|
||||||
|
</Compile>
|
||||||
|
<Compile Include="SelectDevice.xaml.cs">
|
||||||
|
<DependentUpon>SelectDevice.xaml</DependentUpon>
|
||||||
|
</Compile>
|
||||||
|
<EmbeddedResource Include="Properties\Resources.resx">
|
||||||
|
<Generator>ResXFileCodeGenerator</Generator>
|
||||||
|
<LastGenOutput>Resources.Designer.cs</LastGenOutput>
|
||||||
|
</EmbeddedResource>
|
||||||
|
<None Include="Properties\Settings.settings">
|
||||||
|
<Generator>SettingsSingleFileGenerator</Generator>
|
||||||
|
<LastGenOutput>Settings.Designer.cs</LastGenOutput>
|
||||||
|
</None>
|
||||||
|
<AppDesigner Include="Properties\" />
|
||||||
|
</ItemGroup>
|
||||||
|
<ItemGroup>
|
||||||
|
<ProjectReference Include="..\FrequencyDetection\FrequencyDetection.csproj">
|
||||||
|
<Project>{72165201-B9EA-45BD-96F9-9E81094C9BF0}</Project>
|
||||||
|
<Name>FrequencyDetection</Name>
|
||||||
|
</ProjectReference>
|
||||||
|
<ProjectReference Include="..\SoundCapture\SoundCapture.csproj">
|
||||||
|
<Project>{DAE12676-B26C-4487-A1A5-D7FE2E64E6CE}</Project>
|
||||||
|
<Name>SoundCapture</Name>
|
||||||
|
</ProjectReference>
|
||||||
|
</ItemGroup>
|
||||||
|
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
|
||||||
|
<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
|
||||||
|
Other similar extension points exist, see Microsoft.Common.targets.
|
||||||
|
<Target Name="BeforeBuild">
|
||||||
|
</Target>
|
||||||
|
<Target Name="AfterBuild">
|
||||||
|
</Target>
|
||||||
|
-->
|
||||||
|
</Project>
|
||||||
@@ -0,0 +1,20 @@
|
|||||||
|
|
||||||
|
Microsoft Visual Studio Solution File, Format Version 10.00
|
||||||
|
# Visual Studio 2008
|
||||||
|
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GuitarNoteNameTutor", "GuitarNoteNameTutor.csproj", "{3B809A99-9D4C-4C38-9EB6-FE7259757543}"
|
||||||
|
EndProject
|
||||||
|
Global
|
||||||
|
GlobalSection(SolutionConfigurationPlatforms) = preSolution
|
||||||
|
Debug|Any CPU = Debug|Any CPU
|
||||||
|
Release|Any CPU = Release|Any CPU
|
||||||
|
EndGlobalSection
|
||||||
|
GlobalSection(ProjectConfigurationPlatforms) = postSolution
|
||||||
|
{3B809A99-9D4C-4C38-9EB6-FE7259757543}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||||
|
{3B809A99-9D4C-4C38-9EB6-FE7259757543}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||||
|
{3B809A99-9D4C-4C38-9EB6-FE7259757543}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||||
|
{3B809A99-9D4C-4C38-9EB6-FE7259757543}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||||
|
EndGlobalSection
|
||||||
|
GlobalSection(SolutionProperties) = preSolution
|
||||||
|
HideSolutionNode = FALSE
|
||||||
|
EndGlobalSection
|
||||||
|
EndGlobal
|
||||||
@@ -0,0 +1,55 @@
|
|||||||
|
using System.Reflection;
|
||||||
|
using System.Resources;
|
||||||
|
using System.Runtime.CompilerServices;
|
||||||
|
using System.Runtime.InteropServices;
|
||||||
|
using System.Windows;
|
||||||
|
|
||||||
|
// General Information about an assembly is controlled through the following
|
||||||
|
// set of attributes. Change these attribute values to modify the information
|
||||||
|
// associated with an assembly.
|
||||||
|
[assembly: AssemblyTitle("GuitarNoteNameTutor")]
|
||||||
|
[assembly: AssemblyDescription("")]
|
||||||
|
[assembly: AssemblyConfiguration("")]
|
||||||
|
[assembly: AssemblyCompany("")]
|
||||||
|
[assembly: AssemblyProduct("GuitarNoteNameTutor")]
|
||||||
|
[assembly: AssemblyCopyright("Copyright © 2009")]
|
||||||
|
[assembly: AssemblyTrademark("")]
|
||||||
|
[assembly: AssemblyCulture("")]
|
||||||
|
|
||||||
|
// Setting ComVisible to false makes the types in this assembly not visible
|
||||||
|
// to COM components. If you need to access a type in this assembly from
|
||||||
|
// COM, set the ComVisible attribute to true on that type.
|
||||||
|
[assembly: ComVisible(false)]
|
||||||
|
|
||||||
|
//In order to begin building localizable applications, set
|
||||||
|
//<UICulture>CultureYouAreCodingWith</UICulture> in your .csproj file
|
||||||
|
//inside a <PropertyGroup>. For example, if you are using US english
|
||||||
|
//in your source files, set the <UICulture> to en-US. Then uncomment
|
||||||
|
//the NeutralResourceLanguage attribute below. Update the "en-US" in
|
||||||
|
//the line below to match the UICulture setting in the project file.
|
||||||
|
|
||||||
|
//[assembly: NeutralResourcesLanguage("en-US", UltimateResourceFallbackLocation.Satellite)]
|
||||||
|
|
||||||
|
|
||||||
|
[assembly: ThemeInfo(
|
||||||
|
ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
|
||||||
|
//(used if a resource is not found in the page,
|
||||||
|
// or application resource dictionaries)
|
||||||
|
ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
|
||||||
|
//(used if a resource is not found in the page,
|
||||||
|
// app, or any theme specific resource dictionaries)
|
||||||
|
)]
|
||||||
|
|
||||||
|
|
||||||
|
// Version information for an assembly consists of the following four values:
|
||||||
|
//
|
||||||
|
// Major Version
|
||||||
|
// Minor Version
|
||||||
|
// Build Number
|
||||||
|
// Revision
|
||||||
|
//
|
||||||
|
// You can specify all the values or you can default the Build and Revision Numbers
|
||||||
|
// by using the '*' as shown below:
|
||||||
|
// [assembly: AssemblyVersion("1.0.*")]
|
||||||
|
[assembly: AssemblyVersion("1.0.0.0")]
|
||||||
|
[assembly: AssemblyFileVersion("1.0.0.0")]
|
||||||
@@ -0,0 +1,71 @@
|
|||||||
|
//------------------------------------------------------------------------------
|
||||||
|
// <auto-generated>
|
||||||
|
// This code was generated by a tool.
|
||||||
|
// Runtime Version:2.0.50727.3082
|
||||||
|
//
|
||||||
|
// Changes to this file may cause incorrect behavior and will be lost if
|
||||||
|
// the code is regenerated.
|
||||||
|
// </auto-generated>
|
||||||
|
//------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
namespace GuitarNoteNameTutor.Properties
|
||||||
|
{
|
||||||
|
|
||||||
|
|
||||||
|
/// <summary>
|
||||||
|
/// A strongly-typed resource class, for looking up localized strings, etc.
|
||||||
|
/// </summary>
|
||||||
|
// This class was auto-generated by the StronglyTypedResourceBuilder
|
||||||
|
// class via a tool like ResGen or Visual Studio.
|
||||||
|
// To add or remove a member, edit your .ResX file then rerun ResGen
|
||||||
|
// with the /str option, or rebuild your VS project.
|
||||||
|
[global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "2.0.0.0")]
|
||||||
|
[global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
|
||||||
|
[global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
|
||||||
|
internal class Resources
|
||||||
|
{
|
||||||
|
|
||||||
|
private static global::System.Resources.ResourceManager resourceMan;
|
||||||
|
|
||||||
|
private static global::System.Globalization.CultureInfo resourceCulture;
|
||||||
|
|
||||||
|
[global::System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
|
||||||
|
internal Resources()
|
||||||
|
{
|
||||||
|
}
|
||||||
|
|
||||||
|
/// <summary>
|
||||||
|
/// Returns the cached ResourceManager instance used by this class.
|
||||||
|
/// </summary>
|
||||||
|
[global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
|
||||||
|
internal static global::System.Resources.ResourceManager ResourceManager
|
||||||
|
{
|
||||||
|
get
|
||||||
|
{
|
||||||
|
if ((resourceMan == null))
|
||||||
|
{
|
||||||
|
global::System.Resources.ResourceManager temp = new global::System.Resources.ResourceManager("GuitarNoteNameTutor.Properties.Resources", typeof(Resources).Assembly);
|
||||||
|
resourceMan = temp;
|
||||||
|
}
|
||||||
|
return resourceMan;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/// <summary>
|
||||||
|
/// Overrides the current thread's CurrentUICulture property for all
|
||||||
|
/// resource lookups using this strongly typed resource class.
|
||||||
|
/// </summary>
|
||||||
|
[global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
|
||||||
|
internal static global::System.Globalization.CultureInfo Culture
|
||||||
|
{
|
||||||
|
get
|
||||||
|
{
|
||||||
|
return resourceCulture;
|
||||||
|
}
|
||||||
|
set
|
||||||
|
{
|
||||||
|
resourceCulture = value;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,117 @@
|
|||||||
|
<?xml version="1.0" encoding="utf-8"?>
|
||||||
|
<root>
|
||||||
|
<!--
|
||||||
|
Microsoft ResX Schema
|
||||||
|
|
||||||
|
Version 2.0
|
||||||
|
|
||||||
|
The primary goals of this format is to allow a simple XML format
|
||||||
|
that is mostly human readable. The generation and parsing of the
|
||||||
|
various data types are done through the TypeConverter classes
|
||||||
|
associated with the data types.
|
||||||
|
|
||||||
|
Example:
|
||||||
|
|
||||||
|
... ado.net/XML headers & schema ...
|
||||||
|
<resheader name="resmimetype">text/microsoft-resx</resheader>
|
||||||
|
<resheader name="version">2.0</resheader>
|
||||||
|
<resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
|
||||||
|
<resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
|
||||||
|
<data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
|
||||||
|
<data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
|
||||||
|
<data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
|
||||||
|
<value>[base64 mime encoded serialized .NET Framework object]</value>
|
||||||
|
</data>
|
||||||
|
<data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
|
||||||
|
<value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
|
||||||
|
<comment>This is a comment</comment>
|
||||||
|
</data>
|
||||||
|
|
||||||
|
There are any number of "resheader" rows that contain simple
|
||||||
|
name/value pairs.
|
||||||
|
|
||||||
|
Each data row contains a name, and value. The row also contains a
|
||||||
|
type or mimetype. Type corresponds to a .NET class that support
|
||||||
|
text/value conversion through the TypeConverter architecture.
|
||||||
|
Classes that don't support this are serialized and stored with the
|
||||||
|
mimetype set.
|
||||||
|
|
||||||
|
The mimetype is used for serialized objects, and tells the
|
||||||
|
ResXResourceReader how to depersist the object. This is currently not
|
||||||
|
extensible. For a given mimetype the value must be set accordingly:
|
||||||
|
|
||||||
|
Note - application/x-microsoft.net.object.binary.base64 is the format
|
||||||
|
that the ResXResourceWriter will generate, however the reader can
|
||||||
|
read any of the formats listed below.
|
||||||
|
|
||||||
|
mimetype: application/x-microsoft.net.object.binary.base64
|
||||||
|
value : The object must be serialized with
|
||||||
|
: System.Serialization.Formatters.Binary.BinaryFormatter
|
||||||
|
: and then encoded with base64 encoding.
|
||||||
|
|
||||||
|
mimetype: application/x-microsoft.net.object.soap.base64
|
||||||
|
value : The object must be serialized with
|
||||||
|
: System.Runtime.Serialization.Formatters.Soap.SoapFormatter
|
||||||
|
: and then encoded with base64 encoding.
|
||||||
|
|
||||||
|
mimetype: application/x-microsoft.net.object.bytearray.base64
|
||||||
|
value : The object must be serialized into a byte array
|
||||||
|
: using a System.ComponentModel.TypeConverter
|
||||||
|
: and then encoded with base64 encoding.
|
||||||
|
-->
|
||||||
|
<xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
|
||||||
|
<xsd:element name="root" msdata:IsDataSet="true">
|
||||||
|
<xsd:complexType>
|
||||||
|
<xsd:choice maxOccurs="unbounded">
|
||||||
|
<xsd:element name="metadata">
|
||||||
|
<xsd:complexType>
|
||||||
|
<xsd:sequence>
|
||||||
|
<xsd:element name="value" type="xsd:string" minOccurs="0" />
|
||||||
|
</xsd:sequence>
|
||||||
|
<xsd:attribute name="name" type="xsd:string" />
|
||||||
|
<xsd:attribute name="type" type="xsd:string" />
|
||||||
|
<xsd:attribute name="mimetype" type="xsd:string" />
|
||||||
|
</xsd:complexType>
|
||||||
|
</xsd:element>
|
||||||
|
<xsd:element name="assembly">
|
||||||
|
<xsd:complexType>
|
||||||
|
<xsd:attribute name="alias" type="xsd:string" />
|
||||||
|
<xsd:attribute name="name" type="xsd:string" />
|
||||||
|
</xsd:complexType>
|
||||||
|
</xsd:element>
|
||||||
|
<xsd:element name="data">
|
||||||
|
<xsd:complexType>
|
||||||
|
<xsd:sequence>
|
||||||
|
<xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
|
||||||
|
<xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
|
||||||
|
</xsd:sequence>
|
||||||
|
<xsd:attribute name="name" type="xsd:string" msdata:Ordinal="1" />
|
||||||
|
<xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
|
||||||
|
<xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
|
||||||
|
</xsd:complexType>
|
||||||
|
</xsd:element>
|
||||||
|
<xsd:element name="resheader">
|
||||||
|
<xsd:complexType>
|
||||||
|
<xsd:sequence>
|
||||||
|
<xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
|
||||||
|
</xsd:sequence>
|
||||||
|
<xsd:attribute name="name" type="xsd:string" use="required" />
|
||||||
|
</xsd:complexType>
|
||||||
|
</xsd:element>
|
||||||
|
</xsd:choice>
|
||||||
|
</xsd:complexType>
|
||||||
|
</xsd:element>
|
||||||
|
</xsd:schema>
|
||||||
|
<resheader name="resmimetype">
|
||||||
|
<value>text/microsoft-resx</value>
|
||||||
|
</resheader>
|
||||||
|
<resheader name="version">
|
||||||
|
<value>2.0</value>
|
||||||
|
</resheader>
|
||||||
|
<resheader name="reader">
|
||||||
|
<value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
|
||||||
|
</resheader>
|
||||||
|
<resheader name="writer">
|
||||||
|
<value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
|
||||||
|
</resheader>
|
||||||
|
</root>
|
||||||
+30
@@ -0,0 +1,30 @@
|
|||||||
|
//------------------------------------------------------------------------------
|
||||||
|
// <auto-generated>
|
||||||
|
// This code was generated by a tool.
|
||||||
|
// Runtime Version:2.0.50727.3082
|
||||||
|
//
|
||||||
|
// Changes to this file may cause incorrect behavior and will be lost if
|
||||||
|
// the code is regenerated.
|
||||||
|
// </auto-generated>
|
||||||
|
//------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
namespace GuitarNoteNameTutor.Properties
|
||||||
|
{
|
||||||
|
|
||||||
|
|
||||||
|
[global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
|
||||||
|
[global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "9.0.0.0")]
|
||||||
|
internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase
|
||||||
|
{
|
||||||
|
|
||||||
|
private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));
|
||||||
|
|
||||||
|
public static Settings Default
|
||||||
|
{
|
||||||
|
get
|
||||||
|
{
|
||||||
|
return defaultInstance;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,7 @@
|
|||||||
|
<?xml version='1.0' encoding='utf-8'?>
|
||||||
|
<SettingsFile xmlns="uri:settings" CurrentProfile="(Default)">
|
||||||
|
<Profiles>
|
||||||
|
<Profile Name="(Default)" />
|
||||||
|
</Profiles>
|
||||||
|
<Settings />
|
||||||
|
</SettingsFile>
|
||||||
@@ -0,0 +1,11 @@
|
|||||||
|
<Window x:Class="GuitarNoteNameTutor.SelectDevice"
|
||||||
|
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
|
||||||
|
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
|
||||||
|
Title="SelectDevice" Height="263" Width="300" Loaded="Window_Loaded">
|
||||||
|
<Grid>
|
||||||
|
<ListBox Margin="12,44,12,41" Name="devicesListBox" ListBoxItem.MouseDoubleClick="lbi_MouseDoubleClick" />
|
||||||
|
<Label Height="28" HorizontalAlignment="Left" Margin="12,10,0,0" Name="label1" VerticalAlignment="Top" Width="120">Available Devices:</Label>
|
||||||
|
<Button Height="23" Margin="125,0,93,12" Name="okButton" VerticalAlignment="Bottom" IsDefault="True" Click="okButton_Click">OK</Button>
|
||||||
|
<Button Height="23" HorizontalAlignment="Right" Margin="0,0,12,12" Name="cancelButton" VerticalAlignment="Bottom" Width="75" IsCancel="True">Cancel</Button>
|
||||||
|
</Grid>
|
||||||
|
</Window>
|
||||||
@@ -0,0 +1,57 @@
|
|||||||
|
using System.Windows;
|
||||||
|
using SoundCapture;
|
||||||
|
|
||||||
|
namespace GuitarNoteNameTutor
|
||||||
|
{
|
||||||
|
/// <summary>
|
||||||
|
/// Interaction logic for SelectDevice.xaml
|
||||||
|
/// </summary>
|
||||||
|
public partial class SelectDevice
|
||||||
|
{
|
||||||
|
SoundCaptureDevice[] _devices;
|
||||||
|
|
||||||
|
public SoundCaptureDevice SelectedDevice
|
||||||
|
{
|
||||||
|
get { return _devices[devicesListBox.SelectedIndex]; }
|
||||||
|
}
|
||||||
|
|
||||||
|
public SelectDevice()
|
||||||
|
{
|
||||||
|
InitializeComponent();
|
||||||
|
}
|
||||||
|
|
||||||
|
private void LoadDevices()
|
||||||
|
{
|
||||||
|
devicesListBox.Items.Clear();
|
||||||
|
|
||||||
|
int defaultDeviceIndex = 0;
|
||||||
|
|
||||||
|
_devices = SoundCaptureDevice.GetDevices();
|
||||||
|
for (int i = 0; i < _devices.Length; i++)
|
||||||
|
{
|
||||||
|
devicesListBox.Items.Add(_devices[i].Name);
|
||||||
|
if (_devices[i].IsDefault)
|
||||||
|
defaultDeviceIndex = i;
|
||||||
|
}
|
||||||
|
|
||||||
|
devicesListBox.SelectedIndex = defaultDeviceIndex;
|
||||||
|
}
|
||||||
|
|
||||||
|
private void Window_Loaded(object sender, RoutedEventArgs e)
|
||||||
|
{
|
||||||
|
LoadDevices();
|
||||||
|
}
|
||||||
|
|
||||||
|
private void okButton_Click(object sender, RoutedEventArgs e)
|
||||||
|
{
|
||||||
|
DialogResult = true;
|
||||||
|
Close();
|
||||||
|
}
|
||||||
|
|
||||||
|
private void lbi_MouseDoubleClick(object sender, RoutedEventArgs e)
|
||||||
|
{
|
||||||
|
DialogResult = true;
|
||||||
|
Close();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,38 @@
|
|||||||
|
<Window x:Class="GuitarNoteNameTutor.Window"
|
||||||
|
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
|
||||||
|
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
|
||||||
|
Title="Window" Height="300" Width="300" Closing="Window_Closing">
|
||||||
|
<Grid>
|
||||||
|
<Viewbox Margin="4,4,4,41" Stretch="Uniform">
|
||||||
|
<Label Name="label" FontFamily="Lucida Sans Unicode">Guitar Note Trainer
|
||||||
|
<Label.Triggers>
|
||||||
|
<EventTrigger RoutedEvent="Label.Loaded">
|
||||||
|
<BeginStoryboard>
|
||||||
|
<Storyboard>
|
||||||
|
<DoubleAnimation
|
||||||
|
Storyboard.TargetName="label"
|
||||||
|
Storyboard.TargetProperty="Opacity"
|
||||||
|
From="1.0" To="0.0" Duration="0:0:1"
|
||||||
|
AutoReverse="True" RepeatBehavior="Forever" />
|
||||||
|
</Storyboard>
|
||||||
|
</BeginStoryboard>
|
||||||
|
</EventTrigger>
|
||||||
|
</Label.Triggers>
|
||||||
|
</Label>
|
||||||
|
</Viewbox>
|
||||||
|
<Button Height="23" Margin="12,0,0,12" Name="startButton" VerticalAlignment="Bottom" HorizontalAlignment="Left" Width="75" Click="startButton_Click">Start</Button>
|
||||||
|
<Grid>
|
||||||
|
<Grid.ColumnDefinitions>
|
||||||
|
<ColumnDefinition Width="3*"></ColumnDefinition>
|
||||||
|
<ColumnDefinition Width="1*"></ColumnDefinition>
|
||||||
|
</Grid.ColumnDefinitions>
|
||||||
|
<Grid.RowDefinitions>
|
||||||
|
<RowDefinition Height="1*"></RowDefinition>
|
||||||
|
<RowDefinition Height="3*"></RowDefinition>
|
||||||
|
</Grid.RowDefinitions>
|
||||||
|
<Viewbox Grid.Column="1" Grid.Row="0">
|
||||||
|
<Label Name="unknownFreqLabel" Visibility="Hidden" Foreground="Red" >?</Label></Viewbox>
|
||||||
|
</Grid>
|
||||||
|
<Label Height="28" HorizontalAlignment="Right" Margin="0,0,4,7" Name="frequencyLabel" VerticalAlignment="Bottom" Width="53" HorizontalContentAlignment="Right"></Label>
|
||||||
|
</Grid>
|
||||||
|
</Window>
|
||||||
@@ -0,0 +1,156 @@
|
|||||||
|
using System;
|
||||||
|
using System.Diagnostics;
|
||||||
|
using System.Windows;
|
||||||
|
using System.Collections.Generic;
|
||||||
|
using System.Windows.Threading;
|
||||||
|
using FrequencyDetection;
|
||||||
|
using SoundCapture;
|
||||||
|
|
||||||
|
namespace GuitarNoteNameTutor
|
||||||
|
{
|
||||||
|
/// <summary>
|
||||||
|
/// Interaction logic for Window1.xaml
|
||||||
|
/// </summary>
|
||||||
|
public partial class Window
|
||||||
|
{
|
||||||
|
private bool IsListenning { get; set; }
|
||||||
|
|
||||||
|
private static readonly Dictionary<int, string> HalfNoteSharpNames =
|
||||||
|
new Dictionary<int, string>
|
||||||
|
{
|
||||||
|
{0, "A"},
|
||||||
|
{1, "A\u266F"},
|
||||||
|
{2, "B"},
|
||||||
|
{3, "C"},
|
||||||
|
{4, "C\u266F"},
|
||||||
|
{5, "D"},
|
||||||
|
{6, "D\u266F"},
|
||||||
|
{7, "E"},
|
||||||
|
{8, "F"},
|
||||||
|
{9, "F\u266F"},
|
||||||
|
{10, "G"},
|
||||||
|
{11, "G\u266F"},
|
||||||
|
};
|
||||||
|
|
||||||
|
private static readonly Dictionary<int, string> HalfNoteFlatNames =
|
||||||
|
new Dictionary<int, string>
|
||||||
|
{
|
||||||
|
{0, "A"},
|
||||||
|
{1, "B\u266D"},
|
||||||
|
{2, "B"},
|
||||||
|
{3, "C"},
|
||||||
|
{4, "D\u266D"},
|
||||||
|
{5, "D"},
|
||||||
|
{6, "E\u266D"},
|
||||||
|
{7, "E"},
|
||||||
|
{8, "F"},
|
||||||
|
{9, "G\u266D"},
|
||||||
|
{10, "G"},
|
||||||
|
{11, "A\u266D"},
|
||||||
|
};
|
||||||
|
|
||||||
|
static readonly double ToneStep = Math.Pow(2, 1.0 / 12);
|
||||||
|
|
||||||
|
private readonly Random _rand = new Random();
|
||||||
|
|
||||||
|
FrequencyInfoSource _frequencyInfoSource;
|
||||||
|
|
||||||
|
public Window()
|
||||||
|
{
|
||||||
|
InitializeComponent();
|
||||||
|
|
||||||
|
//timer = new DispatcherTimer {Interval = TimeSpan.FromSeconds(2)};
|
||||||
|
//timer.Tick += timer_Tick;
|
||||||
|
//timer.Start();
|
||||||
|
}
|
||||||
|
|
||||||
|
private void StopListenning()
|
||||||
|
{
|
||||||
|
IsListenning = false;
|
||||||
|
_frequencyInfoSource.FrequencyDetected -= FrequencyInfoSource_FrequencyDetected;
|
||||||
|
_frequencyInfoSource.Stop();
|
||||||
|
_frequencyInfoSource = null;
|
||||||
|
}
|
||||||
|
|
||||||
|
private void StartListenning(SoundCaptureDevice device)
|
||||||
|
{
|
||||||
|
IsListenning = true;
|
||||||
|
_frequencyInfoSource = new SoundFrequencyInfoSource(device);
|
||||||
|
_frequencyInfoSource.FrequencyDetected += FrequencyInfoSource_FrequencyDetected;
|
||||||
|
_frequencyInfoSource.Listen();
|
||||||
|
}
|
||||||
|
|
||||||
|
void FrequencyInfoSource_FrequencyDetected(object sender, FrequencyDetectedEventArgs e)
|
||||||
|
{
|
||||||
|
if (!Dispatcher.CheckAccess())
|
||||||
|
{
|
||||||
|
Dispatcher.BeginInvoke(
|
||||||
|
new EventHandler<FrequencyDetectedEventArgs>(FrequencyInfoSource_FrequencyDetected), sender, e);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
if (e.Frequency <= 0)
|
||||||
|
{
|
||||||
|
unknownFreqLabel.Visibility = Visibility.Visible;
|
||||||
|
frequencyLabel.Content = "?";
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
unknownFreqLabel.Visibility = Visibility.Hidden;
|
||||||
|
|
||||||
|
NoteFrequency closestNote = FindClosestNote(e.Frequency);
|
||||||
|
label.Content = HalfNoteSharpNames[closestNote.HalfStepsFromA];
|
||||||
|
frequencyLabel.Content = string.Format("{0:0.0}Hz", e.Frequency);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private class NoteFrequency
|
||||||
|
{
|
||||||
|
public int HalfStepsFromA;
|
||||||
|
public double Frequency;
|
||||||
|
}
|
||||||
|
|
||||||
|
private static NoteFrequency FindClosestNote(double frequency)
|
||||||
|
{
|
||||||
|
const double aFrequency = 440.0;
|
||||||
|
const int toneIndexOffsetToPositives = 120;
|
||||||
|
|
||||||
|
int toneIndex = (int)Math.Round(Math.Log(frequency / aFrequency, ToneStep));
|
||||||
|
int toneHalfStep = (toneIndexOffsetToPositives + toneIndex) % HalfNoteSharpNames.Count;
|
||||||
|
Debug.WriteLine(string.Format("{0}, {1}", toneIndexOffsetToPositives + toneIndex, (toneIndexOffsetToPositives + toneIndex) / 12 - 7));
|
||||||
|
NoteFrequency noteFrequency = new NoteFrequency
|
||||||
|
{
|
||||||
|
HalfStepsFromA = toneHalfStep,
|
||||||
|
Frequency = Math.Pow(ToneStep, toneIndex)*aFrequency,
|
||||||
|
};
|
||||||
|
|
||||||
|
return noteFrequency;
|
||||||
|
}
|
||||||
|
|
||||||
|
private DispatcherTimer timer;
|
||||||
|
|
||||||
|
private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
|
||||||
|
{
|
||||||
|
if (IsListenning)
|
||||||
|
{
|
||||||
|
StopListenning();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private void startButton_Click(object sender, RoutedEventArgs e)
|
||||||
|
{
|
||||||
|
SoundCaptureDevice device = null;
|
||||||
|
SelectDevice form = new SelectDevice {Owner = this};
|
||||||
|
bool? dialogResponse = form.ShowDialog();
|
||||||
|
if (dialogResponse.HasValue && dialogResponse == true)
|
||||||
|
{
|
||||||
|
device = form.SelectedDevice;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (device != null)
|
||||||
|
{
|
||||||
|
label.Content = string.Empty;
|
||||||
|
StartListenning(device);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,72 @@
|
|||||||
|
using System;
|
||||||
|
|
||||||
|
namespace SoundAnalysis
|
||||||
|
{
|
||||||
|
/// <summary>
|
||||||
|
/// Complex number.
|
||||||
|
/// </summary>
|
||||||
|
struct ComplexNumber
|
||||||
|
{
|
||||||
|
public double Re;
|
||||||
|
public double Im;
|
||||||
|
|
||||||
|
public ComplexNumber(double re)
|
||||||
|
{
|
||||||
|
Re = re;
|
||||||
|
Im = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
public ComplexNumber(double re, double im)
|
||||||
|
{
|
||||||
|
Re = re;
|
||||||
|
Im = im;
|
||||||
|
}
|
||||||
|
|
||||||
|
public static ComplexNumber operator *(ComplexNumber n1, ComplexNumber n2)
|
||||||
|
{
|
||||||
|
return new ComplexNumber(n1.Re * n2.Re - n1.Im * n2.Im,
|
||||||
|
n1.Im * n2.Re + n1.Re * n2.Im);
|
||||||
|
}
|
||||||
|
|
||||||
|
public static ComplexNumber operator +(ComplexNumber n1, ComplexNumber n2)
|
||||||
|
{
|
||||||
|
return new ComplexNumber(n1.Re + n2.Re, n1.Im + n2.Im);
|
||||||
|
}
|
||||||
|
|
||||||
|
public static ComplexNumber operator -(ComplexNumber n1, ComplexNumber n2)
|
||||||
|
{
|
||||||
|
return new ComplexNumber(n1.Re - n2.Re, n1.Im - n2.Im);
|
||||||
|
}
|
||||||
|
|
||||||
|
public static ComplexNumber operator -(ComplexNumber n)
|
||||||
|
{
|
||||||
|
return new ComplexNumber(-n.Re, -n.Im);
|
||||||
|
}
|
||||||
|
|
||||||
|
public static implicit operator ComplexNumber(double n)
|
||||||
|
{
|
||||||
|
return new ComplexNumber(n, 0);
|
||||||
|
}
|
||||||
|
|
||||||
|
public ComplexNumber PoweredE()
|
||||||
|
{
|
||||||
|
double e = Math.Exp(Re);
|
||||||
|
return new ComplexNumber(e * Math.Cos(Im), e * Math.Sin(Im));
|
||||||
|
}
|
||||||
|
|
||||||
|
public double Power2()
|
||||||
|
{
|
||||||
|
return Re * Re - Im * Im;
|
||||||
|
}
|
||||||
|
|
||||||
|
public double AbsPower2()
|
||||||
|
{
|
||||||
|
return Re * Re + Im * Im;
|
||||||
|
}
|
||||||
|
|
||||||
|
public override string ToString()
|
||||||
|
{
|
||||||
|
return String.Format("{0}+i*{1}", Re, Im);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,121 @@
|
|||||||
|
using System;
|
||||||
|
|
||||||
|
namespace SoundAnalysis
|
||||||
|
{
|
||||||
|
/// <summary>
|
||||||
|
/// Cooley-Tukey FFT algorithm.
|
||||||
|
/// </summary>
|
||||||
|
public static class FftAlgorithm
|
||||||
|
{
|
||||||
|
/// <summary>
|
||||||
|
/// Calculates FFT using Cooley-Tukey FFT algorithm.
|
||||||
|
/// </summary>
|
||||||
|
/// <param name="x">input data</param>
|
||||||
|
/// <returns>spectrogram of the data</returns>
|
||||||
|
/// <remarks>
|
||||||
|
/// If amount of data items not equal a power of 2, then algorithm
|
||||||
|
/// automatically pad with 0s to the lowest amount of power of 2.
|
||||||
|
/// </remarks>
|
||||||
|
public static double[] Calculate(double[] x)
|
||||||
|
{
|
||||||
|
int length;
|
||||||
|
int bitsInLength;
|
||||||
|
if (IsPowerOfTwo(x.Length))
|
||||||
|
{
|
||||||
|
length = x.Length;
|
||||||
|
bitsInLength = Log2(length) - 1;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
bitsInLength = Log2(x.Length);
|
||||||
|
length = 1 << bitsInLength;
|
||||||
|
// the items will be pad with zeros
|
||||||
|
}
|
||||||
|
|
||||||
|
// bit reversal
|
||||||
|
ComplexNumber[] data = new ComplexNumber[length];
|
||||||
|
for (int i = 0; i < x.Length; i++)
|
||||||
|
{
|
||||||
|
int j = ReverseBits(i, bitsInLength);
|
||||||
|
data[j] = new ComplexNumber(x[i]);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Cooley-Turkey
|
||||||
|
for (int i = 0; i < bitsInLength; i++)
|
||||||
|
{
|
||||||
|
int m = 1 << i;
|
||||||
|
int n = m * 2;
|
||||||
|
double alpha = -(2 * Math.PI / n);
|
||||||
|
|
||||||
|
for (int k = 0; k < m; k++)
|
||||||
|
{
|
||||||
|
// e^(-2*pi*i/N*k)
|
||||||
|
ComplexNumber oddPartMultiplier = new ComplexNumber(0, alpha * k).PoweredE();
|
||||||
|
|
||||||
|
for (int j = k; j < length; j += n)
|
||||||
|
{
|
||||||
|
ComplexNumber evenPart = data[j];
|
||||||
|
ComplexNumber oddPart = oddPartMultiplier * data[j + m];
|
||||||
|
data[j] = evenPart + oddPart;
|
||||||
|
data[j + m] = evenPart - oddPart;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// calculate spectrogram
|
||||||
|
double[] spectrogram = new double[length];
|
||||||
|
for (int i = 0; i < spectrogram.Length; i++)
|
||||||
|
{
|
||||||
|
spectrogram[i] = data[i].AbsPower2();
|
||||||
|
}
|
||||||
|
return spectrogram;
|
||||||
|
}
|
||||||
|
|
||||||
|
/// <summary>
|
||||||
|
/// Gets number of significat bytes.
|
||||||
|
/// </summary>
|
||||||
|
/// <param name="n">Number</param>
|
||||||
|
/// <returns>Amount of minimal bits to store the number.</returns>
|
||||||
|
private static int Log2(int n)
|
||||||
|
{
|
||||||
|
int i = 0;
|
||||||
|
while (n > 0)
|
||||||
|
{
|
||||||
|
++i; n >>= 1;
|
||||||
|
}
|
||||||
|
return i;
|
||||||
|
}
|
||||||
|
|
||||||
|
/// <summary>
|
||||||
|
/// Reverses bits in the number.
|
||||||
|
/// </summary>
|
||||||
|
/// <param name="n">Number</param>
|
||||||
|
/// <param name="bitsCount">Significant bits in the number.</param>
|
||||||
|
/// <returns>Reversed binary number.</returns>
|
||||||
|
private static int ReverseBits(int n, int bitsCount)
|
||||||
|
{
|
||||||
|
int reversed = 0;
|
||||||
|
for (int i = 0; i < bitsCount; i++)
|
||||||
|
{
|
||||||
|
int nextBit = n & 1;
|
||||||
|
n >>= 1;
|
||||||
|
|
||||||
|
reversed <<= 1;
|
||||||
|
reversed |= nextBit;
|
||||||
|
}
|
||||||
|
return reversed;
|
||||||
|
}
|
||||||
|
|
||||||
|
/// <summary>
|
||||||
|
/// Checks if number is power of 2.
|
||||||
|
/// </summary>
|
||||||
|
/// <param name="n">number</param>
|
||||||
|
/// <returns>true if n=2^k and k is positive integer</returns>
|
||||||
|
private static bool IsPowerOfTwo(int n)
|
||||||
|
{
|
||||||
|
return n > 1 && (n & (n - 1)) == 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
@@ -0,0 +1,36 @@
|
|||||||
|
using System.Reflection;
|
||||||
|
using System.Runtime.CompilerServices;
|
||||||
|
using System.Runtime.InteropServices;
|
||||||
|
|
||||||
|
// General Information about an assembly is controlled through the following
|
||||||
|
// set of attributes. Change these attribute values to modify the information
|
||||||
|
// associated with an assembly.
|
||||||
|
[assembly: AssemblyTitle("SoundAnalysis")]
|
||||||
|
[assembly: AssemblyDescription("Sound anslysis library: FFT")]
|
||||||
|
[assembly: AssemblyConfiguration("")]
|
||||||
|
[assembly: AssemblyCompany("notmasteryet")]
|
||||||
|
[assembly: AssemblyProduct("FftGuitarTuner")]
|
||||||
|
[assembly: AssemblyCopyright("Copyright © notmasteryet 2009")]
|
||||||
|
[assembly: AssemblyTrademark("")]
|
||||||
|
[assembly: AssemblyCulture("")]
|
||||||
|
|
||||||
|
// Setting ComVisible to false makes the types in this assembly not visible
|
||||||
|
// to COM components. If you need to access a type in this assembly from
|
||||||
|
// COM, set the ComVisible attribute to true on that type.
|
||||||
|
[assembly: ComVisible(false)]
|
||||||
|
|
||||||
|
// The following GUID is for the ID of the typelib if this project is exposed to COM
|
||||||
|
[assembly: Guid("52c3b811-84a7-4a5b-92e6-64f3c16752bb")]
|
||||||
|
|
||||||
|
// Version information for an assembly consists of the following four values:
|
||||||
|
//
|
||||||
|
// Major Version
|
||||||
|
// Minor Version
|
||||||
|
// Build Number
|
||||||
|
// Revision
|
||||||
|
//
|
||||||
|
// You can specify all the values or you can default the Build and Revision Numbers
|
||||||
|
// by using the '*' as shown below:
|
||||||
|
// [assembly: AssemblyVersion("1.0.*")]
|
||||||
|
[assembly: AssemblyVersion("1.0.0.0")]
|
||||||
|
[assembly: AssemblyFileVersion("1.0.0.0")]
|
||||||
@@ -0,0 +1,49 @@
|
|||||||
|
<?xml version="1.0" encoding="utf-8"?>
|
||||||
|
<Project ToolsVersion="3.5" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
|
||||||
|
<PropertyGroup>
|
||||||
|
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
|
||||||
|
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
|
||||||
|
<ProductVersion>9.0.21022</ProductVersion>
|
||||||
|
<SchemaVersion>2.0</SchemaVersion>
|
||||||
|
<ProjectGuid>{ABA54DC3-324B-49DE-B79E-C4F573306E4F}</ProjectGuid>
|
||||||
|
<OutputType>Library</OutputType>
|
||||||
|
<AppDesignerFolder>Properties</AppDesignerFolder>
|
||||||
|
<RootNamespace>SoundAnalysis</RootNamespace>
|
||||||
|
<AssemblyName>SoundAnalysis</AssemblyName>
|
||||||
|
<TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
|
||||||
|
<FileAlignment>512</FileAlignment>
|
||||||
|
</PropertyGroup>
|
||||||
|
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
|
||||||
|
<DebugSymbols>true</DebugSymbols>
|
||||||
|
<DebugType>full</DebugType>
|
||||||
|
<Optimize>false</Optimize>
|
||||||
|
<OutputPath>bin\Debug\</OutputPath>
|
||||||
|
<DefineConstants>DEBUG;TRACE</DefineConstants>
|
||||||
|
<ErrorReport>prompt</ErrorReport>
|
||||||
|
<WarningLevel>4</WarningLevel>
|
||||||
|
</PropertyGroup>
|
||||||
|
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
|
||||||
|
<DebugType>pdbonly</DebugType>
|
||||||
|
<Optimize>true</Optimize>
|
||||||
|
<OutputPath>bin\Release\</OutputPath>
|
||||||
|
<DefineConstants>TRACE</DefineConstants>
|
||||||
|
<ErrorReport>prompt</ErrorReport>
|
||||||
|
<WarningLevel>4</WarningLevel>
|
||||||
|
</PropertyGroup>
|
||||||
|
<ItemGroup>
|
||||||
|
<Reference Include="System" />
|
||||||
|
</ItemGroup>
|
||||||
|
<ItemGroup>
|
||||||
|
<Compile Include="ComplexNumber.cs" />
|
||||||
|
<Compile Include="FftCalc.cs" />
|
||||||
|
<Compile Include="Properties\AssemblyInfo.cs" />
|
||||||
|
</ItemGroup>
|
||||||
|
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
|
||||||
|
<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
|
||||||
|
Other similar extension points exist, see Microsoft.Common.targets.
|
||||||
|
<Target Name="BeforeBuild">
|
||||||
|
</Target>
|
||||||
|
<Target Name="AfterBuild">
|
||||||
|
</Target>
|
||||||
|
-->
|
||||||
|
</Project>
|
||||||
@@ -0,0 +1,37 @@
|
|||||||
|
using System.Reflection;
|
||||||
|
using System.Runtime.CompilerServices;
|
||||||
|
using System.Runtime.InteropServices;
|
||||||
|
|
||||||
|
// General Information about an assembly is controlled through the following
|
||||||
|
// set of attributes. Change these attribute values to modify the information
|
||||||
|
// associated with an assembly.
|
||||||
|
[assembly: AssemblyTitle("SoundCapture")]
|
||||||
|
[assembly: AssemblyDescription("Sound capture library")]
|
||||||
|
[assembly: AssemblyConfiguration("")]
|
||||||
|
[assembly: AssemblyCompany("notmasteryet")]
|
||||||
|
[assembly: AssemblyProduct("FftGuitarTuner")]
|
||||||
|
[assembly: AssemblyCopyright("Copyright © notmasteryet 2009")]
|
||||||
|
[assembly: AssemblyTrademark("")]
|
||||||
|
[assembly: AssemblyCulture("")]
|
||||||
|
|
||||||
|
|
||||||
|
// Setting ComVisible to false makes the types in this assembly not visible
|
||||||
|
// to COM components. If you need to access a type in this assembly from
|
||||||
|
// COM, set the ComVisible attribute to true on that type.
|
||||||
|
[assembly: ComVisible(false)]
|
||||||
|
|
||||||
|
// The following GUID is for the ID of the typelib if this project is exposed to COM
|
||||||
|
[assembly: Guid("b12d1bc8-57d3-464f-9286-b1456655872a")]
|
||||||
|
|
||||||
|
// Version information for an assembly consists of the following four values:
|
||||||
|
//
|
||||||
|
// Major Version
|
||||||
|
// Minor Version
|
||||||
|
// Build Number
|
||||||
|
// Revision
|
||||||
|
//
|
||||||
|
// You can specify all the values or you can default the Build and Revision Numbers
|
||||||
|
// by using the '*' as shown below:
|
||||||
|
// [assembly: AssemblyVersion("1.0.*")]
|
||||||
|
[assembly: AssemblyVersion("1.0.0.0")]
|
||||||
|
[assembly: AssemblyFileVersion("1.0.0.0")]
|
||||||
@@ -0,0 +1,54 @@
|
|||||||
|
<?xml version="1.0" encoding="utf-8"?>
|
||||||
|
<Project ToolsVersion="3.5" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
|
||||||
|
<PropertyGroup>
|
||||||
|
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
|
||||||
|
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
|
||||||
|
<ProductVersion>9.0.30729</ProductVersion>
|
||||||
|
<SchemaVersion>2.0</SchemaVersion>
|
||||||
|
<ProjectGuid>{DAE12676-B26C-4487-A1A5-D7FE2E64E6CE}</ProjectGuid>
|
||||||
|
<OutputType>Library</OutputType>
|
||||||
|
<AppDesignerFolder>Properties</AppDesignerFolder>
|
||||||
|
<RootNamespace>SoundCapture</RootNamespace>
|
||||||
|
<AssemblyName>SoundCapture</AssemblyName>
|
||||||
|
<TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
|
||||||
|
<FileAlignment>512</FileAlignment>
|
||||||
|
</PropertyGroup>
|
||||||
|
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
|
||||||
|
<DebugSymbols>true</DebugSymbols>
|
||||||
|
<DebugType>full</DebugType>
|
||||||
|
<Optimize>false</Optimize>
|
||||||
|
<OutputPath>bin\Debug\</OutputPath>
|
||||||
|
<DefineConstants>DEBUG;TRACE</DefineConstants>
|
||||||
|
<ErrorReport>prompt</ErrorReport>
|
||||||
|
<WarningLevel>4</WarningLevel>
|
||||||
|
</PropertyGroup>
|
||||||
|
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
|
||||||
|
<DebugType>pdbonly</DebugType>
|
||||||
|
<Optimize>true</Optimize>
|
||||||
|
<OutputPath>bin\Release\</OutputPath>
|
||||||
|
<DefineConstants>TRACE</DefineConstants>
|
||||||
|
<ErrorReport>prompt</ErrorReport>
|
||||||
|
<WarningLevel>4</WarningLevel>
|
||||||
|
</PropertyGroup>
|
||||||
|
<ItemGroup>
|
||||||
|
<Reference Include="Microsoft.DirectX.DirectSound, Version=1.0.2902.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
|
||||||
|
<Reference Include="System" />
|
||||||
|
<Reference Include="System.Core">
|
||||||
|
<RequiredTargetFramework>3.5</RequiredTargetFramework>
|
||||||
|
</Reference>
|
||||||
|
</ItemGroup>
|
||||||
|
<ItemGroup>
|
||||||
|
<Compile Include="SoundCaptureBase.cs" />
|
||||||
|
<Compile Include="Properties\AssemblyInfo.cs" />
|
||||||
|
<Compile Include="SoundCaptureDevice.cs" />
|
||||||
|
<Compile Include="SoundCaptureException.cs" />
|
||||||
|
</ItemGroup>
|
||||||
|
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
|
||||||
|
<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
|
||||||
|
Other similar extension points exist, see Microsoft.Common.targets.
|
||||||
|
<Target Name="BeforeBuild">
|
||||||
|
</Target>
|
||||||
|
<Target Name="AfterBuild">
|
||||||
|
</Target>
|
||||||
|
-->
|
||||||
|
</Project>
|
||||||
@@ -0,0 +1,194 @@
|
|||||||
|
using System;
|
||||||
|
using System.Threading;
|
||||||
|
using Microsoft.DirectX.DirectSound;
|
||||||
|
using Microsoft.Win32.SafeHandles;
|
||||||
|
|
||||||
|
namespace SoundCapture
|
||||||
|
{
|
||||||
|
/// <summary>
|
||||||
|
/// Base class to capture audio samples.
|
||||||
|
/// </summary>
|
||||||
|
public abstract class SoundCaptureBase : IDisposable
|
||||||
|
{
|
||||||
|
const int BufferSeconds = 3;
|
||||||
|
const int NotifyPointsInSecond = 2;
|
||||||
|
|
||||||
|
// change in next two will require also code change
|
||||||
|
const int BitsPerSample = 16;
|
||||||
|
const int ChannelCount = 1;
|
||||||
|
|
||||||
|
int _sampleRate = 44100;
|
||||||
|
bool _disposed;
|
||||||
|
|
||||||
|
private bool IsCapturing { get; set; }
|
||||||
|
|
||||||
|
protected int SampleRate
|
||||||
|
{
|
||||||
|
get { return _sampleRate; }
|
||||||
|
set
|
||||||
|
{
|
||||||
|
if (_sampleRate <= 0) throw new ArgumentOutOfRangeException();
|
||||||
|
|
||||||
|
EnsureIdle();
|
||||||
|
|
||||||
|
_sampleRate = value;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
Capture _capture;
|
||||||
|
CaptureBuffer _buffer;
|
||||||
|
Notify _notify;
|
||||||
|
int _bufferLength;
|
||||||
|
readonly AutoResetEvent _positionEvent;
|
||||||
|
readonly SafeWaitHandle _positionEventHandle;
|
||||||
|
readonly ManualResetEvent _terminated;
|
||||||
|
Thread _thread;
|
||||||
|
readonly SoundCaptureDevice _device;
|
||||||
|
|
||||||
|
protected SoundCaptureBase()
|
||||||
|
: this(SoundCaptureDevice.GetDefaultDevice())
|
||||||
|
{
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
protected SoundCaptureBase(SoundCaptureDevice device)
|
||||||
|
{
|
||||||
|
_device = device;
|
||||||
|
|
||||||
|
_positionEvent = new AutoResetEvent(false);
|
||||||
|
_positionEventHandle = _positionEvent.SafeWaitHandle;
|
||||||
|
_terminated = new ManualResetEvent(true);
|
||||||
|
}
|
||||||
|
|
||||||
|
private void EnsureIdle()
|
||||||
|
{
|
||||||
|
if (IsCapturing)
|
||||||
|
throw new SoundCaptureException("Capture is in process");
|
||||||
|
}
|
||||||
|
|
||||||
|
/// <summary>
|
||||||
|
/// Starts capture process.
|
||||||
|
/// </summary>
|
||||||
|
public void Start()
|
||||||
|
{
|
||||||
|
EnsureIdle();
|
||||||
|
|
||||||
|
IsCapturing = true;
|
||||||
|
|
||||||
|
WaveFormat format = new WaveFormat
|
||||||
|
{
|
||||||
|
Channels = ChannelCount,
|
||||||
|
BitsPerSample = BitsPerSample,
|
||||||
|
SamplesPerSecond = SampleRate,
|
||||||
|
FormatTag = WaveFormatTag.Pcm,
|
||||||
|
};
|
||||||
|
format.BlockAlign = (short)((format.Channels * format.BitsPerSample + 7) / 8);
|
||||||
|
format.AverageBytesPerSecond = format.BlockAlign * format.SamplesPerSecond;
|
||||||
|
|
||||||
|
_bufferLength = format.AverageBytesPerSecond * BufferSeconds;
|
||||||
|
CaptureBufferDescription desciption = new CaptureBufferDescription
|
||||||
|
{
|
||||||
|
Format = format,
|
||||||
|
BufferBytes = _bufferLength
|
||||||
|
};
|
||||||
|
|
||||||
|
_capture = new Capture(_device.Id);
|
||||||
|
_buffer = new CaptureBuffer(desciption, _capture);
|
||||||
|
|
||||||
|
const int waitHandleCount = BufferSeconds * NotifyPointsInSecond;
|
||||||
|
BufferPositionNotify[] positions = new BufferPositionNotify[waitHandleCount];
|
||||||
|
for (int i = 0; i < waitHandleCount; i++)
|
||||||
|
{
|
||||||
|
BufferPositionNotify position = new BufferPositionNotify
|
||||||
|
{
|
||||||
|
Offset = (i + 1)*_bufferLength/positions.Length - 1,
|
||||||
|
EventNotifyHandle = _positionEventHandle.DangerousGetHandle()
|
||||||
|
};
|
||||||
|
positions[i] = position;
|
||||||
|
}
|
||||||
|
|
||||||
|
_notify = new Notify(_buffer);
|
||||||
|
_notify.SetNotificationPositions(positions);
|
||||||
|
|
||||||
|
_terminated.Reset();
|
||||||
|
_thread = new Thread(ThreadLoop) {Name = "Sound capture"};
|
||||||
|
_thread.Start();
|
||||||
|
}
|
||||||
|
|
||||||
|
private void ThreadLoop()
|
||||||
|
{
|
||||||
|
_buffer.Start(true);
|
||||||
|
try
|
||||||
|
{
|
||||||
|
int nextCapturePosition = 0;
|
||||||
|
WaitHandle[] handles = new WaitHandle[] { _terminated, _positionEvent };
|
||||||
|
while (WaitHandle.WaitAny(handles) > 0)
|
||||||
|
{
|
||||||
|
int capturePosition, readPosition;
|
||||||
|
_buffer.GetCurrentPosition(out capturePosition, out readPosition);
|
||||||
|
|
||||||
|
int lockSize = readPosition - nextCapturePosition;
|
||||||
|
if (lockSize < 0) lockSize += _bufferLength;
|
||||||
|
if((lockSize & 1) != 0) lockSize--;
|
||||||
|
|
||||||
|
int itemsCount = lockSize >> 1;
|
||||||
|
|
||||||
|
short[] data = (short[])_buffer.Read(nextCapturePosition, typeof(short), LockFlag.None, itemsCount);
|
||||||
|
ProcessData(data);
|
||||||
|
nextCapturePosition = (nextCapturePosition + lockSize) % _bufferLength;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
finally
|
||||||
|
{
|
||||||
|
_buffer.Stop();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/// <summary>
|
||||||
|
/// Processes the captured data.
|
||||||
|
/// </summary>
|
||||||
|
/// <param name="data">Captured data</param>
|
||||||
|
protected abstract void ProcessData(short[] data);
|
||||||
|
|
||||||
|
/// <summary>
|
||||||
|
/// Stops capture process.
|
||||||
|
/// </summary>
|
||||||
|
public void Stop()
|
||||||
|
{
|
||||||
|
if (IsCapturing)
|
||||||
|
{
|
||||||
|
IsCapturing = false;
|
||||||
|
|
||||||
|
_terminated.Set();
|
||||||
|
//_thread.
|
||||||
|
_thread.Join();
|
||||||
|
|
||||||
|
_notify.Dispose();
|
||||||
|
_buffer.Dispose();
|
||||||
|
_capture.Dispose();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void IDisposable.Dispose()
|
||||||
|
{
|
||||||
|
Dispose(true);
|
||||||
|
}
|
||||||
|
|
||||||
|
~SoundCaptureBase()
|
||||||
|
{
|
||||||
|
Dispose(false);
|
||||||
|
}
|
||||||
|
|
||||||
|
private void Dispose(bool disposing)
|
||||||
|
{
|
||||||
|
if (_disposed) return;
|
||||||
|
|
||||||
|
_disposed = true;
|
||||||
|
GC.SuppressFinalize(this);
|
||||||
|
if (IsCapturing) Stop();
|
||||||
|
_positionEventHandle.Dispose();
|
||||||
|
_positionEvent.Close();
|
||||||
|
_terminated.Close();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,68 @@
|
|||||||
|
using System;
|
||||||
|
using System.Collections.Generic;
|
||||||
|
using Microsoft.DirectX.DirectSound;
|
||||||
|
|
||||||
|
namespace SoundCapture
|
||||||
|
{
|
||||||
|
/// <summary>
|
||||||
|
/// Capture device.
|
||||||
|
/// </summary>
|
||||||
|
public class SoundCaptureDevice
|
||||||
|
{
|
||||||
|
readonly Guid _id;
|
||||||
|
|
||||||
|
readonly string _name;
|
||||||
|
|
||||||
|
public bool IsDefault
|
||||||
|
{
|
||||||
|
get { return _id == Guid.Empty; }
|
||||||
|
}
|
||||||
|
|
||||||
|
/// <summary>
|
||||||
|
/// Name of the device.
|
||||||
|
/// </summary>
|
||||||
|
public string Name
|
||||||
|
{
|
||||||
|
get { return _name; }
|
||||||
|
}
|
||||||
|
|
||||||
|
internal Guid Id
|
||||||
|
{
|
||||||
|
get { return _id; }
|
||||||
|
}
|
||||||
|
|
||||||
|
internal SoundCaptureDevice(Guid id, string name)
|
||||||
|
{
|
||||||
|
_id = id;
|
||||||
|
_name = name;
|
||||||
|
}
|
||||||
|
|
||||||
|
public static SoundCaptureDevice[] GetDevices()
|
||||||
|
{
|
||||||
|
CaptureDevicesCollection captureDevices = new CaptureDevicesCollection();
|
||||||
|
List<SoundCaptureDevice> devices = new List<SoundCaptureDevice>();
|
||||||
|
foreach (DeviceInformation captureDevice in captureDevices)
|
||||||
|
{
|
||||||
|
devices.Add(new SoundCaptureDevice(captureDevice.DriverGuid, captureDevice.Description));
|
||||||
|
}
|
||||||
|
return devices.ToArray();
|
||||||
|
}
|
||||||
|
|
||||||
|
public static SoundCaptureDevice GetDefaultDevice()
|
||||||
|
{
|
||||||
|
CaptureDevicesCollection captureDevices = new CaptureDevicesCollection();
|
||||||
|
SoundCaptureDevice device = null;
|
||||||
|
foreach (DeviceInformation captureDevice in captureDevices)
|
||||||
|
{
|
||||||
|
if(captureDevice.DriverGuid == Guid.Empty)
|
||||||
|
{
|
||||||
|
device = new SoundCaptureDevice(captureDevice.DriverGuid, captureDevice.Description);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if (device == null)
|
||||||
|
throw new SoundCaptureException("Default capture device is not found");
|
||||||
|
return device;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,12 @@
|
|||||||
|
using System;
|
||||||
|
|
||||||
|
namespace SoundCapture
|
||||||
|
{
|
||||||
|
public class SoundCaptureException : Exception
|
||||||
|
{
|
||||||
|
public SoundCaptureException(string message)
|
||||||
|
: base(message)
|
||||||
|
{
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
Reference in New Issue
Block a user