音频处理芯片uda1341内核驱动源码、利用声卡上的DSP设备进行声音录制和回放的基本框架、利用混音器框架对各种混音通道的增益进行调节、Linux下的OSS音频接口编程-Audio processing chip uda1341 kernel driver source code, using the sound card' s DSP sound recording and playback equipment for the basic framework, using the fra