在电话和视频会议中，语音和视频流处理的源代码和API库。-telephone and video conferencing, voice and video streaming, the source code and API library.

一种语音降噪算法，工程可用。调用speex库进行语音降噪的代码，可以直接运行，直接看到降噪效果。-A speech noise reduction algorithm works available. Voice calls speex library noise code that can be run directly, directly see the noise reduction.