From owner-freebsd-multimedia@FreeBSD.ORG  Fri Aug 26 18:35:56 2005
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Date: Fri, 26 Aug 2005 20:35:49 +0200
From: Sascha Klauder <sklauder@trimind.de>
To: freebsd-multimedia@freebsd.org
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Subject: Re: what exactly can the mixewr set?
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On Wed, Aug 24, 2005 at 04:45:11PM +0200, Jan Stary wrote:
> I can understand the obvious stuff, but what is
> igain, ogain and line1? Tweaking them during

igain is input-, ogain is output amplification. 

> various playback/recording situations never
> seems to make any difference.

 I've got an AWE64 card as well, and they work here.  

 For testing igain, set recording source to cd, play an
audio-CD and record it, for example with wavrec (from the
wavplay port).  Crank up the igain mixer and the recording
should become louder.

 Same with ogain, just that it works on the line out and
speaker connectors. 

HTH,

Cheers,
-sascha