From: James Courtier-Dutton <James@superbug.demon.co.uk>
To: alsa-devel <alsa-devel@lists.sourceforge.net>
Subject: Major problem with the current alsa mixer.
Date: Fri, 12 Sep 2003 01:14:28 +0100 [thread overview]
Message-ID: <3F610FE4.2040009@superbug.demon.co.uk> (raw)
There is a MAJOR problem with the current alsa mixer.
How do I set a mixer volume to the 0 db point. I.E. no attenuation, and
no gain.
Currently, we might have a value from 0 to 100%. Percent of what?
What this value means varies depending on the sound card hardware being
used.
I think that this should all be changed to signed values, with a max and
a min setting. With a value of 0 being equivalent to no-gain,
no-attenuation. Each alsa-driver would then convert this signed value
into a value actually written to the hardware register via a lookup table.
Cheers
James
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next reply other threads:[~2003-09-12 0:14 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-12 0:14 James Courtier-Dutton [this message]
2003-09-12 7:23 ` Major problem with the current alsa mixer Jaroslav Kysela
2003-09-12 8:57 ` Takashi Iwai
2003-09-12 10:31 ` Jaroslav Kysela
2003-09-12 10:37 ` Takashi Iwai
2003-09-12 10:50 ` Jaroslav Kysela
2003-09-12 12:46 ` James Courtier-Dutton
2003-09-12 14:29 ` Takashi Iwai
2003-09-12 15:44 ` James Courtier-Dutton
2003-09-12 16:05 ` Takashi Iwai
2003-09-15 11:26 ` tom burkart
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