Alsa tool on arch: Echo-cenalletion dosen't work -


so, let's start begining... want use microphone in application skype/discord, i've noticed, audio device doing annoying noise... decide find solve problem. okay... arch-wiki.. alsa troubleshooting... great!

there's first problem - after save default.pa , resart pulseaudio, sound in arch muted , can't find of sound deveices (like speakers) have.

second
[some@some ~] arecord -f cd -d 10 test-mic.wav alsa lib pcm_dsnoop.c:638:(snd_pcm_dsnoop_open) unable open slave arecord: main:807: audio open error: no such file or directory


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