using?System;
using?System.Collections.Generic;
using?System.Collections.Specialized;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Threading;
using?System.Windows.Forms;
using?Microsoft.DirectX;
using?Microsoft.DirectX.DirectSound;

namespace?demo
{
????public?partial?class?Form1?:?Form
????{
????????private?const?int?SAMPLES?=?8;
????????private?static?CaptureDevicesCollection?audioDevices;
????????private?int?deviceIndex?=?-1;
????????private?Microsoft.DirectX.DirectSound.CaptureBuffer?buffer;
????????private?string?deviceName?=?“沒有檢測到音頻輸入設備“;
????????private?static?StringCollection?deviceNames;
????????private?System.Threading.Thread?liveVolumeThread;
????????private?int?sampleDelay?=?100;
????????private?int?frameDelay?=?10;
????????private?static?int[]?SAMPLE_FORMAT_ARRAY?=?{?SAMPLES?2?1?};

????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????????Initmiclist（）;
????????????progressBar.Maximum?=?Int16.MaxValue?+?1;
????????????System.Windows.Forms.Control.CheckForIllegalCrossThreadCalls?=?false;
????????}
????????///?

????????///?加載麥克風列表
????????///?

????????private?void?Initmiclist（）
????????{
????????????audioDevices?=?new?CaptureDevicesCollection（）;
????????????deviceNames?=?new?StringCollection（）;
????????????for?（int?i?=?0;?i?????????????{
????????????????deviceNames.Add（audioDevices[i].Description）;
????????????}
????????????for?（int?i?=?0;?i?????????????{
????????????????comboBox1.Items.Add（deviceNames[i].ToString（））;
????????????????comboBox1.SelectedIndex?=?0;
????????????}
????????????if?（deviceNames.Count?????????????{
????????????????comboBox1.Items.Clear（）;
????????????????comboBox1.Items.Add（deviceName）;
????????????}
????????}

????????public?void?Stop（）
????????{
????????????if?（liveVolumeThread?!=?null）
????????????{
????????????????liveVolumeThread.Abort（）;
????????????????liveVolumeThread.Join（）;
????????????????liveVolumeThread?=?null;
????????????}

????????????if?（buffer?!=?null）
????????????{
????????????????if?（buffer.Capturing）
????????????????{
????????????????????buffer.Stop（）;
????????????????}

????????????????buffer.Dispose（）;
????????????????buffer?=?null;
????????????}
????????}

????????public?void?Start（）
????????{
????????????Stop（）;

????????????if?（deviceIndex?!=?-1）
????????????{
????????????????//?capture?對象?捕獲麥克風設備
????????????????Capture?cap?=?new?Capture（audioDevices[deviceIndex].DriverGuid）;
????????????????//?創建對?緩沖區信息?的描述
????????????????CaptureBufferDescription?desc?=?new?CaptureBufferDescription（）;
????????????????WaveFormat?wf?=?new?WaveFormat（）;
????????????????wf.BitsPerSample?=?16;
????????????????wf.SamplesPerSecond?=?44100;
????????????????wf.Channels?=?2;
????????????????//?數據的最小的原子單元
????????????????wf.BlockAlign?=?（shor

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????12288??2013-12-12?17:29??demo\demo\bin\Debug\demo.exe

?????文件??????28160??2013-12-12?17:29??demo\demo\bin\Debug\demo.pdb

?????文件??????21472??2013-12-12?17:29??demo\demo\bin\Debug\demo.vshost.exe

?????文件????????490??2010-03-17?22:39??demo\demo\bin\Debug\demo.vshost.exe.manifest

?????文件???????4236??2013-12-12?14:37??demo\demo\demo.csproj

?????文件???????6307??2013-12-12?17:53??demo\demo\Form1.cs

?????文件???????3754??2013-12-12?15:53??demo\demo\Form1.Designer.cs

?????文件???????5817??2013-12-12?15:53??demo\demo\Form1.resx

?????文件????????826??2013-12-12?17:29??demo\demo\obj\Debug\demo.csproj.FileListAbsolute.txt

?????文件????????847??2013-12-12?15:53??demo\demo\obj\Debug\demo.csproj.GenerateResource.Cache

?????文件??????25462??2013-12-12?17:20??demo\demo\obj\Debug\demo.csprojResolveAssemblyReference.cache

?????文件??????12288??2013-12-12?17:29??demo\demo\obj\Debug\demo.exe

?????文件????????180??2013-12-12?15:53??demo\demo\obj\Debug\demo.Form1.resources

?????文件??????28160??2013-12-12?17:29??demo\demo\obj\Debug\demo.pdb

?????文件????????180??2013-12-12?14:37??demo\demo\obj\Debug\demo.Properties.Resources.resources

?????文件????????789??2013-12-12?15:08??demo\demo\obj\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????7062??2013-12-12?17:09??demo\demo\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件????????485??2013-12-12?14:18??demo\demo\Program.cs

?????文件???????1346??2013-12-12?14:18??demo\demo\Properties\AssemblyInfo.cs

?????文件???????2860??2013-12-12?14:18??demo\demo\Properties\Resources.Designer.cs

?????文件???????5612??2013-12-12?14:18??demo\demo\Properties\Resources.resx

?????文件???????1091??2013-12-12?14:18??demo\demo\Properties\Settings.Designer.cs

?????文件????????249??2013-12-12?14:18??demo\demo\Properties\Settings.settings

?????文件????????902??2013-12-12?14:18??demo\demo.sln

????..A..H.?????30208??2013-12-12?17:53??demo\demo.v11.suo

?????目錄??????????0??2013-12-12?14:18??demo\demo\obj\Debug\TempPE

?????目錄??????????0??2013-12-12?14:24??demo\demo\bin\Debug

?????目錄??????????0??2013-12-12?17:29??demo\demo\obj\Debug

?????目錄??????????0??2013-12-12?14:18??demo\demo\bin

?????目錄??????????0??2013-12-12?14:18??demo\demo\obj

............此處省略6個文件信息