Alsa Utility

Alsa Sound sample

aplay /usr/share/sounds/alsa/Side_Left.wav
------------
root@acqua:/usr/share/sounds/alsa# ls
Front_Center.wav Front_Right.wav Rear_Center.wav Rear_Right.wav Side_Right.wav
Front_Left.wav Noise.wav Rear_Left.wav Side_Left.wav

aplay – vu-meter in text mode

aplay test.wav -vv

Noise Speaker Test

speaker-test

sox – mic recorder

apt-get install sox

 sox -t alsa default output.wav

arecord – mic recorder

apt-get install alsa-utils

arecord output.wav

To interrupt recording, press CTRL+C.


 

http://blog.scphillips.com/posts/2013/01/sound-configuration-on-raspberry-pi-with-alsa/

Annunci