4.10 Test Audio

Attention: This example needs install the MYB-6ULX on MYS-6ULX-IOT or MYS-6ULX-IND.And uses dtb file to boot Linux that supoorts MYB-6ULX board.

This example demonstrates the development onboard audio interface using the arecord/aplay program in Linux systems.

Hareware connect

• Connect LINE IN(J7) interface on the MYB-6ULX board, PC Audio-Out via a 3.5mm AUX cable
• HEADPHONE(J5) connecte the your headerphone or speaker

Software operation

The PC plays the audio file and execute arecord command on board.It will recored data and save to test.wav file.You can use "ctrl + c" stop it after one minute.

arecord -f cd test.wav

Use aplay command to play file that previous step recoreded.

aplay test.wav