可以用如下方法: 修改AudioYusuStreamOut.cpp,添加方法: 代码如下: void AudioYusuStreamOut::swS2M(const void* buffer, size_t bytes) { uint32 Idx_i; int16 PCM_M; short* pbuffer=(short*)buffer; { //enable software stereo to mono for(Idx_i = 0; Idx_i>1; Idx_i+=2) { PCM_M = pbuffer[Idx_i+1]; pbuffer[Idx_i+1]=pbuffer