At 10:21 AM 5/20/2001 -0400, Bryce Nesbitt wrote:
>I have an Andrea AK5370 USB microphone. It works fine in W98. It is
>recongnized in Linux, and appears in "gmix". But how do I set it as a
>recording source? What knows how to record from this source?
>
> -Bryce
> bryce "at machine" obviously.com
having gone through this wonderful joy trying to get USB audio to work with
speech recognition (and I'm still struggling by the way), in the Red Hat
7.1 2.4.3 kernel, the USB device will supersede any built-in devices. It's
kind of weird but if you have in ordinary soundcard up and operational, as
soon as you plug in the USB microphone the ordinary soundcard configuration
"goes away". As far as I can determine, the microphone shows up on
/dev/audio as an ordinary input device so you should be able to record from
it just fine. Playback is another question. :-)
A simple test I've used was:
od -t x2 < /dev/audio
and as you speak into the microphone, you'll notice the numbers will
change. If you see lots of pairs of numbers like 8080 7f80 807f then the
device is configured as an 8-bit audio device. If you see numbers like
8000 (plus or minus 2) then the device is configured as a 16-bit device.
Now I have completely exhausted my knowledge on Linux sound systems and
there are no guarantees that any of what I said is right. :-)
---eric
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