sound capture on Fedora 7

Michael Schwendt mschwendt at gmail.com
Fri Oct 5 21:37:03 UTC 2007


On 05/10/2007, Andrew Wood <andrew at gn.apc.org> wrote:
> Hi,
>
> Recently I've installed Audacity to edit audio captured from my
> mini-disk. The sound card I have is based on a C-Media CMI8738 chipset.
> There's only one mic socket on the card so I thought this would be a
> doddle to sample. When it didn't work I thought it was the card so I
> swapped it for another similar card/chipset.
>
> There is absolutely no sound detectable coming from the mic. The drivers
> I'm using are the standard ones which are provided with Fedora 7.
>
> A look at the Audacity wiki, and the ALSA wiki has provided no clue as
> to what the problem or fix could be. Any suggestions?

ALSA support in Audacity is fragile.

Audacity in Fedora is a beta release, because there hasn't been any
final release since the old 1.2.6, which includes only
broken/incomplete ALSA support.

When you start Audacity and enter the "Edit > Preferences > Audio I/O"
menu, what recording device do you choose? What input channel do you
choose in the main window? A common problem is to have an external
mixer mute a channel with Audacity not doing any un-mute operation.

Does the mic work with other audio input tools?




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