22.05.2024 15:14, 赵成义 пишет: > Hi guys, > > >>When the Ubuntu system plays audio, the volume is set to above 90%, > >>and there is no external playback. The audio will not be collected > >>by the mic, but the played audio will be recorded into the mic. Why? > >>I can confirm that loopback is set to false state. > > >Hello, maybe have a look at https://gitlab.com/mikhailnov/pulsejoin ; > I mean I don't need to record played audio, but it is recored into the mic. > I can confirm that ALSA loopback is set to false state, and the sink monitor > is not used. You probably need echo cancellation > > I think this issue exists in all linux systems that use ALSA. > Has anyone found this problem before? > > Thanks, > > Chengyi > >
