[mythtv-users] Leadtek winfast 2000 XP Can I get sound from bttvdirectly?

Jason Ramey webmaster at permutation.org
Tue Mar 18 19:51:54 UTC 2003

I know the way I was able to determine if my hauppauge card was capable was
by loading the btaudio driver. It succeeded and I now have more /dev/dspX. I
can't say whether it's better or not since I have not tried it. I have been
quite happy with the sound quality of the loopback cable. I have a hauppauge
dbx-fm 401.

Jason Ramey
webmaster at permutation.org

----- Original Message -----
From: "Edward Wildgoose" <Edward.Wildgoose at FRMHedge.com>
To: <mythtv-users at snowman.net>
Sent: Tuesday, March 18, 2003 12:54 PM
Subject: [mythtv-users] Leadtek winfast 2000 XP Can I get sound from

> Please excuse what may be a dumb question.
> I have a Leadtek winfast 2000 XP TV card and sound works fine using the
loopback cable out of the back and into the soundcard.  However, I am hoping
to put together the highest quality system possible and I have read reports
from people with other cards who report better quality using the btaudio
module to get (what I assume is) sound directly from the card.
> Can anyone please confirm that this is what happens, ie with many Hauppage
cards you can get sound directly from the card without the loopback cable,
and also that this is a much higher quality solution?
> Also how would I determine whether I can do that with my card?  I have
taken the card out and there are no obvious chips with the correct word,
however, is this a good test?  "insmod btaudio" works, but nothing obvious
appears as a result.  What should happen if I had (say) a hauppage card?
Would a /dev/dsp1 device appear?  Or is it only exposed to the bttv driver
which needs to pass it back to the OS in some way...?
> Also has anyone noticed any cards which happen to have particularly high
picture and sound quality with TV? (above the norm)
> Thanks for any advice.
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