Audio¶
Output¶
Users can output audio through the headphone jack and HDMI port.
Interface Switching¶
Switch between the headphone and HDMI interfaces in the system settings, selecting one for output.
Input¶
Using the APE sound card, connect the headphones to start recording, execute the command line:
arecord -D hw:APE,0 -c 2 -r 16000 -f S32_LE test.wav