[AG-TECH] Current soundcards in use with Alsa and rat?

[Michael Miller]

Eric,

I have an Intel 82801 CA-ICH3 on an IBM T23 with FC2 and Doug's AG 
package.  Sound works fine.
I just needed to go into alsamixer and unmute and turn up the appropriate 
channels.

MYK


At 05:34 PM 12/22/2004, you wrote:
>Thanks Rhys, that does help some.  With our intel card, setting the
>line-in volume to 0 on rat does keep me from hearing my own voice, too.
>Moving the capture volume meter didn't seem to have any effect on the
>sending volume (although the capture switch in amixer does turn capture
>off or on), so we don't have a way to control that volume yet, but it's an
>improvement.
>Eric
>
>On Thu, 23 Dec 2004, Rhys Hawkins wrote:
>
> >
> > Hi Eric,
> >
> > I'm using just the onboard soundcard with rat/alsa and its working
> > fine. Its an Intel 82801DB-ICH4 (thats what rat reports). I'm using
> > Steve Smith's version of rat, as the one that ships with the gentoo
> > version of the AGtk had issues using the alsa driver.
> >
> > The only other thing is that the mixer settings are difficult to
> > work out. For example, I had to set the microphone volume to 0
> > and capture to 50 to be able to talk and not hear my voice played
> > back to me which to me seemed counter-intuitive. I guess whats
> > missing is some documentation explaining what each of the mixer
> > settings actually do.
> >
> > I've also got a Soundblaster Audigy going, but I actually prefer
> > to use the onboard card as it works and the mixer settings are
> > much simpler by comparison.
> >
> > Cheers,
> >     Rhys
> >
> >
> > On Wed, 2004-12-22 at 15:46 -0600, Eric Olson wrote:
> > > Hi,
> > > For those of you on linux using Alsa with rat, can you tell me which 
> sound
> > > cards you're using successfully recently?
> > >
> > > I've had problems with a couple cards so far, and would like to try one
> > > that someone else is using, preferably with the Alsa driver instead of
> > > the OSS compatibility driver, but anything that works (without the 
> line-in
> > > playback issues) would be great.  Someone mentioned that the Sound 
> blaster
> > > live should work -- are there any others I can try before buying one of
> > > those to try it?
> > >
> > > Here are my experiences so far with two cards:
> > > es1370 for the sound blaster pci 128 (model CT4700):
> > >   alsa driver fails on an assertion when running.
> > >       rat-4.2.22-media: simple.c:1412: 
> snd_mixer_selem_has_playback_volume:
> > >       Assertion `elem' failed.
> > >   OSS driver plays correctly but rat often resets the line-input 
> playback
> > >       to on (i.e. when the volume is changed)
> > > intel8x0 integrated audio:
> > >   alsa driver sounds mechanical and seems to be playing back a little 
> too
> > >     slowly.
> > >   oss driver has the same line-input playback problem as the other card.
> > >
> > > I'm testing with rat from both Doug's and Steve's recent packages and 
> the
> > > results are the same.  I've also built rat from UCL's cvs, but rat only
> > > sees the OSS device and not the Alsa device, so I'm probably missing
> > > something when building.
> > >
> > > I wouldn't mind helping fix some of these issues, but in the meantime I
> > > hope to find an already working soundcard for our production node so we
> > > don't have to keep running a script to fix the line-input playback
> > > setting.
> > >
> > > Thanks for any help,
> > > Eric
> >
> >

Thanx,

Michael Miller
System Engineer
Visualization Technology Support
Computing and Data Management
National Center for Supercomputing Applications
University of Illinois - UC
217-649-0747

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