Re: Shrill audio recording on Pixelview PlayTV MPEG-2 4900

[Shad Van Den Hul <vandenhul@xxxxxxxxx>]

Are you using the Audio out on the tv card to the line in on your sound card?

I had a problem where I traced the problem back to crappy onboard
sound.  It just couldn't do a full duplex operation.


On Wed, 02 Feb 2005 13:36:21 -0500, Cyrus Adkisson
<lists@xxxxxxxxxxxxxxxxxx> wrote:
> Cyrus Adkisson wrote:
> 
> > The card (mostly) works with modprobe.conf options:
> >
> > options bttv card=34 tuner=43
> > options tuner addr=0x61
> >
> > That is, it gives video and the audio sounds fine both directly out of
> > the device and through the onboard (alsa-powered) audio card. However,
> > I'm still getting high-pitched, staticy, shrill audio when trying to
> > record an MPEG-4 file with ffmpeg. I'm using this same ffmpeg version
> > on various other computers and bttv card models without trouble. If
> > someone has any suggestions or comments, I would greatly appreciate them.
> >
> > Cyrus
> >
> > --
> > 
> > Unsubscribe
> > mailto:video4linux-list-request@xxxxxxxxxx?subject=unsubscribe
> > https://www.redhat.com/mailman/listinfo/video4linux-list
> >
> >
> >
> Additional information:
> 
> The shrill audio seems to be uniform no matter what video format it is
> encoded in. I have recorded a couple of 3-5 second segments of video you
> can get here:
> 
> http://hq.dynalias.com/outfile0.avi
> http://hq.dynalias.com/outfile0.mpg
> 
> Thought they might be useful in helping to diagnose what is going on.
> 
> Cyrus
> 
> --
> 
> Unsubscribe mailto:video4linux-list-request@xxxxxxxxxx?subject=unsubscribe
> https://www.redhat.com/mailman/listinfo/video4linux-list
> 


-- 
Shad Van Den Hul

--

Unsubscribe mailto:video4linux-list-request@xxxxxxxxxx?subject=unsubscribe
https://www.redhat.com/mailman/listinfo/video4linux-list