1.. _usb_audio_headset:
2
3USB Audio Sample Application
4############################
5
6Overview
7********
8
9This sample app demonstrates use of a USB Audio driver by the Zephyr
10project. This very simple sample that performs loopback over IN/OUT
11ISO endpoints. The device will show up as single audio device.
12
13Building and Running
14********************
15
16In order to build the sample an overlay file with required options
17must be provided. By default app.overlay is added. An overlay contains
18software and hardware specific information which allow to fully
19describe the device.
20
21After you have built and flashed the sample app image to your board, plug the
22board into a host device.
23
24Testing
25*******
26
27Steps to test the sample:
28- Build and flash the sample as described above.
29- Connect to the HOST.
30- Chose default Audio IN/OUT.
31- Start streaming audio (for example by playing an audio file on the HOST).
32- Start recording audio stream (for example using Audacity).
33- Verify the recorded audio stream.
34
35This sample can be found under
36:zephyr_file:`samples/subsys/usb/audio/headset` in the Zephyr project tree.
37