alsa utils工具使用
1.amixer用于控制设置
amixer [-c card] [cmd]
./amixer contents
./amixer cset
./amixer cget
2. aplay
./aplay -l
./aplay -D hw:0,0 -r 8000 -f cd -t wav test.wav
3. arecord
./arecord -l
./arecord -D hw:0,0 -r 8000 -f cd -t wav test.wav
blog of arm linux tech by chuncky
(http://www.cnblogs.com/chuncky):
arm linux everyday,day day up.