Trucrux Inc

Testing Audio

Check Available Soundcards #

root@imx8mm-trux-q01:~# cat /proc/asound/cards

output

0 [wm8904audio ]: wm8904-audio - wm8904-audio
wm8904-audio

Testing Sound #

Plugin 3.5mm earphones on J20 and run the following test command

root@imx8mm-trux-q01:~# speaker-test -t wav -c 6

Use the following command to play .wav file

root@imx8mm-trux-q01:~# aplay test_audio.wav