This is the documentation for the latest (main) development branch of Zephyr. If you are looking for the documentation of previous releases, use the drop-down menu on the left and select the desired version.

Aplay by USB Audio Sample Application

Overview

This sample app demonstrates how to use aplay to play usb audio.

Building and Running

In order to build the sample an overlay file with required options must be provided. By some default overlay are added in board folder. An overlay contains software and hardware specific information which allow to fully describe the device.

After you have built and flashed the sample app image to your board, plug the board into a host device.

Testing

Steps to test the sample: - Build and flash the sample as described above. - Connect to the HOST. - Chose default Audio IN/OUT. - Start streaming audio (for example by playing an audio file on the HOST). - Start recording audio stream (for example using Audacity). - Verify the recorded audio stream.