Audio Source app
Audio Source is Multimedia tool that is open source under the MIT license.Audio Source forwards Android microphone audio input to the PulseAudio daemon through ADB, so you can use your Android device as a USB microphone.
Requirements:
- Device with at least Android 4.0 (API level 14), but fully tested only on Android 10 (API level 29) so your mileage may vary.
- GNU/Linux machine with:
- Android SDK Platform Tools (requires adb in PATH).
- PulseAudio (requires pactl in PATH).
- Socat (requires socat in PATH).
For further details, see the project's documentation.