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# vim: ft=markdown
title = 'Sound flicking and stuttering in librewolf/firefox'
summary = '''Finally. Normal sound in Librewolf on YouTube. This took quite a
while for me to fix...'''
date = '2023-06-04T17:03:20+0200'
# lastmod = ''
categories = [ 'computerstuff' ]
tags = [ 'freebsd' ]
+++
Let this be a quick one again: my Librewolf browser plays perfectly fine audio
now on any YouTube video.
## Settings in Librewolf
Open <kbd>about:config</kbd> and look for or create `media.cubeb.backend`. This
setting should contain a string value.
```
media.cubeb.backend sndio
```
I've also tried to set this to `oss` but it works better with `sndio`.
## System wide settings
### Enable sndio daemon in <kbd>rc.conf</kdb>
```conf
sndiod_enable="YES"
```
Eventually run `doas service sndiod start`.
### Settings in `sysctl.conf`
```conf
kern.sched.preempt_thresh=224
dev.pcm.0.play.vchanrate=192000
dev.pcm.1.play.vchanrate=192000
hw.snd.latency=7
```