windows tts 文字转 wav,生成的wav文件用暴风播放到结尾处(不转文件仅朗读时正常),会出现一下杂音,怎么解决?
就下面这段代码:
void tts_speak_toWavFile(HRESULT hr,ISpVoice* pVoice,const char* text,int rate,int volume,char* outFile)
{
WCHAR* msg;
int len;
len = strlen(text) + 1;
msg = new WCHAR[len];
// convert const char* to WCHAR*
MultiByteToWideChar(CP_ACP,0,text,len,msg,len);
CComPtr<ISpStream> cpWavStream;
CComPtr<ISpStreamFormat> cpOldStream;
CSpStreamFormat OriginalFmt;
pVoice->GetOutputStream(&cpOldStream);
//SPSTREAMFORMAT eFmt = SPSF_48kHz16BitMono;//SPSF_44kHz16BitMono; //SPSF_22kHz 8Bit Stereo
//OriginalFmt.AssignFormat(eFmt) ;
OriginalFmt.AssignFormat(cpOldStream);
hr = SPBindToFile(outFile,SPFM_CREATE_ALWAYS, //把文件绑定到输出流上,
&cpWavStream,&OriginalFmt.FormatId(),
OriginalFmt.WaveFormatExPtr());
if( SUCCEEDED(hr))
{
pVoice->SetOutput(cpWavStream,TRUE); //SetOutput把输出设为绑定文件的流上
pVoice->SetRate(rate);//语速控制
pVoice->SetVolume(volume); //音量
pVoice->Speak(msg, 0, NULL);
}
pVoice->WaitUntilDone( INFINITE );
cpWavStream.Release();
// delete the pointer
delete msg;
}