On Tue, 2019-06-04 at 22:51 +0300, Georgi Naplatanov wrote: [...] > If you don't use PulseAudio then only one application can use an ALSA > device at the same time on your computer. Even some applications > support > PulseAudio only. Like Firefox, that was the reason I relented and installed Pulse Audio (to listen to online video). -- Tixy