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

[Colin Perkins]

And if you send the device name to rat-trap at 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 at 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 at qut.edu.au] Sent: Tuesday, 15 
>>> March 2005 12:55
>>> To: Jason Bell; 'ag-tech at 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 at 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 at mcs.anl.gov [mailto:owner-ag-tech at mcs.anl.gov] 
>>>> On
>>>> Behalf Of Ashley Wright
>>>> Sent: Tuesday, 15 March 2005 11:59
>>>> To: ag-tech at 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 at qut.edu.au
>>>>>> HPC and Research Support Group
>>>>>> Queensland University of Technology (QUT)
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>>
>>>
>