Why won't my microphone work in voice or video chat?

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Why won't my microphone work in voice or video chat? Mr. Spacklecrisp 8/26/10 6:43 AM
I have the linux plugin for voice and video chat. I'm currently running Ubuntu Lucid on the Asus T101MT. My microphone very often isn't detected by applications, so the workaround I normally use is to unlock the left and right channels in Pavucontrol, and then to set one channel to silent and the other to max. Unfortunately, I notice that the Google plugin resets my channels when I use voice or video chat, killing off my fix. Is there anything I can do about this? Thank you so much for your time.
Re: Why won't my microphone work in voice or video chat? Papa Bear 9/4/10 4:23 PM
Are you using a USB headset?
Re: Why won't my microphone work in voice or video chat? Robbie NoWindows 9/5/10 2:40 AM
Hi,

A few posts have been about microphones. In particular the auto level adjust feature that google chat uses. Others, who have had issues with the internal mic on their laptops/notebooks read on too....

This auto adjust CAN be tuned off.

My symptoms are: for the internal mic to work the left mic channel must be turned down to zero and the right channel set to the desired level. Google talk however automatically adjusts both channels to what it thinks is optimum.

To see the mix channel settings use PulseAudio Volume control and go to the input devices tab. PulseAudio Volume control is in the Linux menus under the sound and video submenu (on Ubuntu anyway). You may need to install the package pavucontrol to get this gui.

To turn off the auto adjust:

cd ~/.config/google-googletalkplugin    # get to google chat's directory
cp -p options options.bak        # make a backup before changing stuff !
gedit options                # edit the config file

now change one of the lines so that it reads as follows:

audio-flags=1

Now restart you machine and google chat will now longer auto-adjust!!!

Remember to go to PulseAudio volume control just to make sure the left channel stays at 0
Re: Why won't my microphone work in voice or video chat? Mr. Spacklecrisp 9/5/10 9:01 AM
@Robbie

That would be a wonderful solution... if I had an options file. I actually don't have anything like that in ~/.config/google-googletalkplugin. I only see googletalkpluginport.so and gtbplugin.log.

(Thank you both for your help, though)
Re: Why won't my microphone work in voice or video chat? Mr. Spacklecrisp 9/5/10 9:12 AM
@Robbie

I went ahead and made an options file with that line. I tested it with myself, and as far as I can tell it worked. Thank you so much!