Package has three files: sound.c, mixer.c.vol.c sound.c which is to achieve open, close the audio interface, simultaneous recording playback function in the file mixer.c read the current mixer to achieve the device information, setting the left and right channel gain function file vol.c adjust the volume function is to achieve a document This document is prepared based on linux development board

7\说明.txt
.\sound.c
.\vol.c
.\mixer.c
7

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