kmixer is a kernel level audio mixer for Linux,like esd or aRtsd. It s works in kernel mode, so it can handle all requests to /dev/dsp, and mix all audio streams from all process, accessing to dsp and writing to real dsp.

linux下的源码，实现了利用ALSA进行录制和播放的功能。代码很易懂适于初学-linux source code under the realized using ALSA for recording and playback functions. The code is very easy to understand is suitable for beginners