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Microphone not working on VIA VT82xx AC97 Audio with ALSA
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gtl4407
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PostPosted: Thu Aug 24, 2006 4:20 pm    Post subject: Microphone not working on VIA VT82xx AC97 Audio with ALSA Reply with quote

Hello
I have an A8V motherboard which has on it a VIA Technologies, Inc. VT8233/A/8235/8237 AC97 Audio Controller (rev 60). I am using KDE/X11-7.1 with ALSA on amd64 linux, and almost everything sound related works fine(I can play mp3s etc), appart from the fact I cannot get any sound from the microphone. I know the microphone is OK, as I have tried it on another machine where it works fine. The two applications I have tried are Krec and Skype, neither of which hear anything on the microphone. Where should I look, where can I try?

Thanks a lot for your help,
Regards,
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esperto
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PostPosted: Thu Aug 24, 2006 8:02 pm    Post subject: Reply with quote

I'm having problem with it too with the same hardware, but I can get sound from the microphone (i hear it on my speakers), but skype doesn't "grab it".
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g4j
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PostPosted: Fri Aug 25, 2006 12:44 am    Post subject: Reply with quote

I can't even get sound out of mine. Compiled the drivers into the kernel. No error messages when I boot, and KDE doesn't complain about audio problems like it did on my other box, but I just can't hear anything.
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jonfr
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PostPosted: Fri Aug 25, 2006 12:48 am    Post subject: Reply with quote

Check if the capture is setup on silent in alsamixer. Capture is F5 and playback is F4 if my memory is correct.
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gtl4407
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PostPosted: Fri Aug 25, 2006 5:31 pm    Post subject: Reply with quote

jonfr wrote:
Check if the capture is setup on silent in alsamixer. Capture is F5 and playback is F4 if my memory is correct.


Thanks very much. I have tried that, and it seems that capture is not set to silent, and the microphone is selected.

I did notice one thing though, not sure if its relevant, alsamixer reports the following about my hardware:

Card: VIA 8237
Chip: Realtek ALC850 rev 0

Yet I don't see Realtek as being listed as having an ALSA driver (or at least one developed by the ALSA project)
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jonfr
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PostPosted: Fri Aug 25, 2006 10:55 pm    Post subject: Reply with quote

Are you using kernel driver or alsa-driver ?
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gtl4407
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PostPosted: Sat Aug 26, 2006 4:40 am    Post subject: Reply with quote

jonfr wrote:
Are you using kernel driver or alsa-driver ?


I am using the alsa driver from the alsa-driver package.
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jonfr
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PostPosted: Sat Aug 26, 2006 6:22 am    Post subject: Reply with quote

Then I don't know... I need some short of a clue for this.
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