Audio Test - Advantech ROM-5721 User Manual

3.1.2

Audio Test

Check audio codec
# cat /proc/asound/cards
0 [sgtl5000
sgtl5000
Audio codec(sgtl5000):

audio codec module connected to I2S_CN3(ROM-DB5901)

Set MIC and headphone
# amixer set Mic 100%
# amixer set Headphone 100%

Record and playback
# arecord -t wav -c 1 -r 44100 -d 5 /tmp/mic.wav
# aplay /tmp/mic.wav
ROM-5721 User Manual
]: sgtl5000 - sgtl5000
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