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#1 2018-03-13 01:45:21

Maniaxx
Member
From: .de
Registered: 2014-05-14
Posts: 189

How to restart/reset audio subsystem?

Hallo,
i have an Audigy2 (snd-emu10k1). After fiddling with JACK, Ardour and other audio programs the card might get into an unstable state. The high frequencies are distorted and sound very ugly like having heavy alias (8/4bit). I tried reinitialization with 'sudo alsactl init Audigy2', 'sudo alsactl restore' and 'alsactl kill rescan' but nothing works but rebooting the system. Trying to 'rmmod' the drivers gives just errors about device in use. I didn't try to force unload.

How can i restart the audio subsystem (systemd?) without rebooting?


Linux 4.15.8-1-ARCH #1 SMP PREEMPT Sat Mar 10 00:00:33 UTC 2018 x86_64 GNU/Linux
XFCE

.asoundrc:

defaults.pcm.rate_converter "speexrate_medium"

pcm.ploop {
  type plug
  slave.pcm "hw:Loopback,0,0"
}

pcm.cloop {
  type plug
  slave.pcm "hw:Loopback,1,0"
}

pcm.!default {
	type hw
	card "Audigy2"
	device 0
}

ctl.!default {
  type hw
  card Audigy2
}

sys2064

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