This is pretty neat for audio testing on linux phones: https://source.android.com/docs/core/audio/latency/loopback
@martijnbraam What is it?
@hamner headphone plug that sends the audio back into the microphone input, can be used for testing the audio setup in a phone using alsabat
@martijnbraam Oh that is cool.
@hamner @martijnbraam I did this once on a dedicated microphone.