//?pcmrecord.cpp?:?定義控制臺應用程序的入口點。
//

#include?“stdafx.h“
#include???
#include???
#pragma?comment（lib?“winmm.lib“）??

HWAVEIN?hWaveIn;??//輸入設備
WAVEFORMATEX?waveform;?//采集音頻的格式，結構體
BYTE?*pBuffer1;//采集音頻時的數據緩存
WAVEHDR?wHdr1;?//采集音頻時包含數據緩存的結構體

FILE?*pf;

int?_tmain（int?argc?_TCHAR*?argv[]）
{
	HANDLE??????????wait;
	waveform.wFormatTag?=?WAVE_FORMAT_PCM;//聲音格式為PCM
	waveform.nSamplesPerSec?=?8000;//采樣率，16000次/秒
	waveform.wBitsPerSample?=?16;//采樣比特，16bits/次
	waveform.nChannels?=?1;//采樣聲道數，2聲道
	waveform.nAvgBytesPerSec?=?16000;//每秒的數據率，就是每秒能采集多少字節的數據
	waveform.nBlockAlign?=?2;//一個塊的大小，采樣bit的字節數乘以聲道數
	waveform.cbSize?=?0;//一般為0

	wait?=?CreateEvent（NULL?0?0?NULL）;
	//使用waveInOpen函數開啟音頻采集
	waveInOpen（&hWaveIn?WAVE_MAPPER?&waveform（DWORD_PTR）wait?0L?CALLBACK_EVENT）;

	//建立兩個數組（這里可以建立多個數組）用來緩沖音頻數據
	DWORD?bufsize?=?1024*100;//每次開辟10k的緩存存儲錄音數據
	int?i?=?20;
	fopen_s（&pf?“錄音測試.pcm“?“wb“）;
	while?（i--）//錄制20左右秒聲音，結合音頻解碼和網絡傳輸可以修改為實時錄音播放的機制以實現對講功能
	{
		pBuffer1?=?new?BYTE[bufsize];
		wHdr1.lpData?=?（LPSTR）pBuffer1;
		wHdr1.dwBufferLength?=?bufsize;
		wHdr1.dwBytesRecorded?=?0;
		wHdr1.dwUser?=?0;
		wHdr1.dwFlags?=?0;
		wHdr1.dwLoops?=?1;
		waveInPrepareHeader（hWaveIn?&wHdr1?sizeof（WAVEHDR））;//準備一個波形數據塊頭用于錄音
		waveInAddBuffer（hWaveIn?&wHdr1?sizeof?（WAVEHDR））;//指定波形數據塊為錄音輸入緩存
		waveInStart（hWaveIn）;//開始錄音
		Sleep（1000）;//等待聲音錄制1s
		waveInReset（hWaveIn）;//停止錄音
		fwrite（pBuffer1?1?wHdr1.dwBytesRecorded?pf）;
		delete?pBuffer1;	
		printf（“%ds??“?i）;
	}
	fclose（pf）;

	waveInClose（hWaveIn）;
	return?0;
}

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

?????文件??????32256??2014-06-16?00:53??Debug\pcmrecord.exe

?????文件?????263688??2014-06-16?00:53??Debug\pcmrecord.ilk

?????文件?????633856??2014-06-16?00:53??Debug\pcmrecord.pdb

?????文件????3080192??2014-06-15?17:25??ipch\pcmrecord-73a3e37c\pcmrecord-cd963aab.ipch

?????文件????3080192??2014-06-16?00:42??ipch\pcmrecord-7c709f8a\pcmrecord-cd963aab.ipch

?????文件????3080192??2014-06-11?14:13??ipch\pcmrecord-7d9ad14c\pcmrecord-cd963aab.ipch

?????文件????????685??2014-06-16?00:48??pcmrecord\Debug\pcmrecord.Build.CppClean.log

?????文件???????1356??2014-06-16?00:53??pcmrecord\Debug\pcmrecord.log

?????文件??????34008??2014-06-16?00:53??pcmrecord\Debug\pcmrecord.obj

?????文件????1638400??2014-06-16?00:48??pcmrecord\Debug\pcmrecord.pch

?????文件???????1310??2014-06-16?00:53??pcmrecord\Debug\pcmrecord.tlog\cl.command.1.tlog

?????文件??????20016??2014-06-16?00:53??pcmrecord\Debug\pcmrecord.tlog\CL.read.1.tlog

?????文件????????730??2014-06-16?00:53??pcmrecord\Debug\pcmrecord.tlog\CL.write.1.tlog

?????文件???????1110??2014-06-16?00:53??pcmrecord\Debug\pcmrecord.tlog\link.command.1.tlog

?????文件???????2656??2014-06-16?00:53??pcmrecord\Debug\pcmrecord.tlog\link.read.1.tlog

?????文件????????376??2014-06-16?00:53??pcmrecord\Debug\pcmrecord.tlog\link.write.1.tlog

?????文件????????146??2014-06-16?00:53??pcmrecord\Debug\pcmrecord.tlog\pcmrecord.lastbuildstate

?????文件??????11249??2014-06-16?00:48??pcmrecord\Debug\stdafx.obj

?????文件?????510976??2014-06-16?00:53??pcmrecord\Debug\vc120.idb

?????文件?????225280??2014-06-16?00:53??pcmrecord\Debug\vc120.pdb

?????文件???????1861??2014-06-16?00:53??pcmrecord\pcmrecord.cpp

?????文件???????4537??2014-06-11?14:13??pcmrecord\pcmrecord.vcxproj

?????文件???????1316??2014-06-11?14:13??pcmrecord\pcmrecord.vcxproj.filters

?????文件???????1524??2014-06-11?14:13??pcmrecord\ReadMe.txt

?????文件????????215??2014-06-11?14:13??pcmrecord\stdafx.cpp

?????文件????????234??2014-06-11?14:13??pcmrecord\stdafx.h

?????文件????????236??2014-06-11?14:13??pcmrecord\targetver.h

?????文件???29229056??2014-06-16?01:05??pcmrecord.sdf

?????文件????????973??2014-06-11?14:13??pcmrecord.sln

????..A..H.?????18944??2014-06-16?01:05??pcmrecord.v12.suo

............此處省略11個文件信息