https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=144659
sp...@itl.ua changed:
What |Removed |Added
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CC| |sp...@itl.ua
--- Comment #8 from sp...@itl.ua ---
(In reply to Christos Margiolis from comment #7)
> Is this issue still reproducible with current versions of FreeBSD?
I can approve that yes, it is on 13.2-RELEASE.
How to reproduce:
(Initially mixer vol = 100; hw.snd.vpc_0db=45)
1) Run as user: mplayer sometrack.mp3 (hearing clean sound)
2) Run as root: sysctl hw.snd.vpc_0db=4; mixer 70 (hearing distorted sound with
roughly the same sound level)
3) Run as root: sysctl hw.snd.vpc_0db=45; mixer 100 (hearing again clean sound)
The sort of distortion is as of some poor sound and seems this is due to poor
algorithm calculating sound level amplification according to hw.snd.vpc_0db
value.
BTW, when rising/lowing sound level only by mixer or by mplayer interactive
knobs, the sound remains clean.
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