Date: Thu, 7 Dec 2006 01:07:50 +0800 From: Ariff Abdullah <ariff@FreeBSD.org> To: Hiroharu Tamaru <tamaru@myn.rcast.u-tokyo.ac.jp> Cc: multimedia@freebsd.org Subject: Re: snd_hda: loud distorted sound with NVidia MCP51 Message-ID: <20061207010750.4f73bc15.ariff@FreeBSD.org> In-Reply-To: <sa6mz612cxq.wl%tamaru@myn.rcast.u-tokyo.ac.jp> References: <sa6mz612cxq.wl%tamaru@myn.rcast.u-tokyo.ac.jp>
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On Thu, 07 Dec 2006 01:42:41 +0900
Hiroharu Tamaru <tamaru@myn.rcast.u-tokyo.ac.jp> wrote:
[..]
> Fiddling with vol and pcm with /usr/sbin/mixer only changes
> the volume very slightly ( but it does change, always way
> loud ). But decreasing it down until where 'vol' multiplied
> by 'pcm' becomes less than 200, the sound stops completely.
> I have not tried all combinations, but for instance,
> vol =3D 2, pcm =3D 100 gives loud distored sound whereas
> vol =3D 2, pcm =3D 99 gives silence.
> Same with vol=3D50, pcm=3D4 and vol=3D49, pcm=3D4, etc.
How about pcm=3D75 vol=3D55, or pcm=3D55 vol=3D45, or simmilar. Try not to
set too wide gap between both vol and pcm. Besides, anything above
65 is considered harmful.
>=20
> This barebone has a pair of speaker, mic connector at the front
> panel and a speaker-mic-line trio at the rear, but both speaker
> connectors behaves the same.
>=20
> Setting hint.pcm.0.softpcmvol=3D1 did not help (the behaviour is the
> same with or without this hint).
>=20
The correct setting is hint.pcm.0.config=3D"softpcmvol", but as in your
case it is already the default.
--
Ariff Abdullah
FreeBSD
... Recording in stereo is obviously too advanced
and confusing for us idiot ***** users :P ........
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