TQMa62xx - YOCTO Linux BSP documentation
Audio
Audio Connector Location
| Connector | Function |
|---|---|
| X23 | Microphone |
| X24 | Line In |
| X25 | Line Out |
You can find the designation printed on the MBa62xx
Play Audio on MBa62xx
A simple test sound can be played with the commandline tool speaker-test.
Headphones or active speakers have to be connected to X24 on MBa62xx.
speaker-test --channels 2 --test wav -D sysdefault:CARD=tqtlv320aic32x
You can also play your own audio files using aplay
aplay <file>
e.g.
aplay test.wav
Please notice that no audio test files are available in the default image.
Record Audio via Line-In on MBa62xx
arecord -f cd test.wav
The audio settings can be altered using
amixer or alsamixer