Re: [AG-TECH] Problem with mic, rat and gentoo

[Colin Perkins <csp@csperkins.org>]

And if you send the device name to rat-trap@cs.ucl.ac.uk we can add it 
to the hard-coded list for the next version of rat.

Colin


On 15 Mar 2005, at 04:44, Thomas D. Uram wrote:

> This is a characteristic of AC97 based cards.  Rat handles some of 
> them by hardcoding; others can be handled by setting the OSS_IS_AC97 
> environment variable.
>
> export OSS_IS_AC97=1  (for sh)
> setenv OSS_IS_AC97 1  (for csh)
>
> Hopefully this fixes the problem.
>
> Tom
>
>
> Ashley Wright wrote:
> > Hi Jason,
> > This was the first thing I tried, I prefer the talk to start muted, 
> > however the setting made no difference.
> > This is a strange problem. I have had a look in the AudioService 
> > script (inside AudioService.zip) but cant find anything I would think 
> > would make a difference.
> > Ashley
> > Jason Bell wrote:
> > > Hi Ashley
> > > Have you tried editing the audio service settings through the 
> > > "manage my
> > > node" configuration tool????
> > >
> > > You have the ability to change the input and output levels as well as
> > > turning talk on and off.
> > >
> > > These setting may help as well.
> > >
> > > Cheers,
> > > Jason.
> > >
> > > --------------------------------------------
> > > Jason Bell, B.I.T.
> > > B. Info. Tech. (Honours) Student
> > >
> > > Network Engineer
> > > Information Technology Division
> > > Central Queensland University
> > >
> > > High Performance Computing Support Officer
> > > Central Queensland University
> > >
> > > Research Assistant to the Nonlinear Intelligent Systems Research 
> > > Group
> > > Faculty of Informatics & Communication
> > > Central Queensland University
> > >
> > > E-mail : j.bell@cqu.edu.au
> > > Phone : 07 4930 9229
> > >
> > > --------------------------------------------
> > >
> > > Patience is a virtue.
> > > But if I wanted Patience,
> > >
> > > I would have become a Doctor.
> > > --------------------------------------------
> > >
> > >
> > > -----Original Message-----
> > > From: Ashley Wright [mailto:a2.wright@qut.edu.au] Sent: Tuesday, 15 
> > > March 2005 12:55
> > > To: Jason Bell; 'ag-tech@mcs.anl.gov'
> > > Subject: Re: [AG-TECH] Problem with mic, rat and gentoo
> > >
> > > Hi Jason,
> > >
> > > This looks good, I have found the file and the setting 
> > > "*audioInputMute:
> > >
> > > 1" However if I set this to 0, next time the Venue Client opens the 
> > > RAT it is set make to 1.
> > >
> > > Also interesting, if I open RAT with the command "rat 
> > > xxx.xxx.xxx.xxx/xxx" the mic setting is left unchanged (this is 
> > > good), however if it is opened with the Venue Client then I still 
> > > get the feedback. This is making me think the venue client is doing 
> > > something I do not want it to do.
> > >
> > > Any more ideas?
> > > Ashley
> > >
> > > Jason Bell wrote:
> > >
> > >
> > > > Hi Ashley
> > > >
> > > > There is a RatDefaults file in the home directory (Well there is for
> > > > fedora anyway), you might want to changes some of the settings in 
> > > > that
> > > > file so that when "rat" starts up, none of your settings are 
> > > > changed.
> > > >
> > > > Hope this helps.
> > > >
> > > > Cheers,
> > > > Jason.
> > > >
> > > > --------------------------------------------
> > > > Jason Bell, B.I.T.
> > > > B. Info. Tech. (Honours) Student
> > > >
> > > > Network Engineer
> > > > Information Technology Division
> > > > Central Queensland University
> > > >
> > > > High Performance Computing Support Officer
> > > > Central Queensland University
> > > >
> > > > Research Assistant to the Nonlinear Intelligent Systems Research 
> > > > Group
> > > > Faculty of Informatics & Communication
> > > > Central Queensland University
> > > >
> > > > E-mail : j.bell@cqu.edu.au
> > > > Phone : 07 4930 9229
> > > >
> > > > --------------------------------------------
> > > >
> > > > Patience is a virtue.
> > > > But if I wanted Patience,
> > > >
> > > > I would have become a Doctor.
> > > > --------------------------------------------
> > > >
> > > >
> > > > -----Original Message-----
> > > > From: owner-ag-tech@mcs.anl.gov [mailto:owner-ag-tech@mcs.anl.gov] 
> > > > On
> > > > Behalf Of Ashley Wright
> > > > Sent: Tuesday, 15 March 2005 11:59
> > > > To: ag-tech@mcs.anl.gov
> > > > Subject: Re: [AG-TECH] Problem with mic, rat and gentoo
> > > >
> > > > Hi,
> > > >
> > > > Normally in the mixer (gnome volume control), we have the mic input 
> > > > muted, with the record ticked. This works. Our problem is that when 
> > > > rat
> > >
> > >
> > > > is started it un-mutes the sound, so that the sound plays though 
> > > > the speakers. Ticking the mute box fixes this again.
> > > >
> > > > My problem is that every time rat is opened, or settings are 
> > > > changed, the mic feedbacks though the speakers, and I have to tick 
> > > > the mute box again.
> > > >
> > > > We are running a sound blaster live. We are using OSS because ALSA
> > > gives
> > >
> > > > a distorted sound.
> > > >
> > > > This does not happen on our Fedora Access Grids, only our gentoo 
> > > > Access
> > >
> > >
> > > > Grid.
> > > >
> > > > Anybody have any other ideas?
> > > >
> > > > Ashley
> > > >
> > > > Gavin W. Burris aka 86 wrote:
> > > >
> > > >
> > > >
> > > >
> > > > > Sounds like you have to adjust your mixer to not play capture back
> > > > > through.  If you are not using ALSA, then I would highly recommend 
> > > > > it.
> > > > >
> > > > > My notes, including mixer screen-grabs, here:
> > > > > http://viz.aset.psu.edu/ga5in/AccessGridNodeOperation.html#audio
> > > > >
> > > > >
> > > > > Ashley Wright wrote (on Mon, 14 Mar 2005 at 09:09):
> > > > >
> > > > >
> > > > >
> > > > > > Hi,
> > > > > >
> > > > > > We have set up a single computer accessgrid using Gentoo Linux. We
> > > > have
> > > >
> > > >
> > > > > > used the official AG2.3 toolkit.
> > > > > >
> > > > > > My problem is that every time a new rat is opened (changing venue
> > > etc)
> > >
> > > > > >
> > > >
> > > >
> > > >
> > > > > > or a setting is changed, rat unmutes the microphone and the mic 
> > > > > > plays
> > >
> > >
> > > > > > directly into the speakers. This causes feedback though the mic 
> > > > > > and speakers. I then need to remute the mic in the gnome volume 
> > > > > > control
> > > to
> > >
> > > > > >
> > > >
> > > >
> > > >
> > > > > > get rid of the feedback.
> > > > > >
> > > > > > Does anybody have any ideas of what could be causing this, and a 
> > > > > > suggested fix.
> > > > > >
> > > > > > Thanks,
> > > > > > Ashley
> > > > > >
> > > > > > --
> > > > > > Ashley Wright
> > > > > > 3864 9264
> > > > > > a2.wright@qut.edu.au
> > > > > > HPC and Research Support Group
> > > > > > Queensland University of Technology (QUT)