I suggest to decouple audio capture from playback in alsa layer
Issue generated from Tuleap's migration script. Originally submitted by: Patrick Keroulas (pkeroulas)
Use case: for some reason, your mic is down. You should still be able to listen to your interlocutor to help identifying the problem.
Dev: Some platforms like Raspberry Pi have their audio input and output cards independent. It's hard to troubleshoot direction in a such situation. Plus, an application with unidirectionnal sound transfert is conceivable.