[mythtv-users] Fwd: Fedora Core 6 New recordings play back too fast

Fred Firestine ffluvssg1 at gmail.com
Fri Mar 9 14:46:16 UTC 2007


Thanks for your response. The audio was set to 32kHz, so I changed it
to 48kHz as suggested in the Default and Live TV recording profiles,
then tried watching live TV and made a recording. It does not seem to
have had any effect. Here is some additional information:

- Remember that I restored the mythconverg database I had from FC4, so
I think I was using the 32kHz setting before
- I am using the AV Out from my PVR-350, not using my sound card (or
ALSA, right?)
- Whatever the problem is, the audio and video are synchronized


If I adjust settings in the Live TV profile, are the effects immediate
(no restart of anything required) and can I watch Live TV as a valid
test? Then if it works I can change the Default profile. It just seems
easier than starting a recording each time I make a change.

Thanks in advance for any additional suggestions...


On 3/9/07, Michael T. Dean <mtdean at thirdcontact.com> wrote:
> On 03/09/2007 12:06 AM, Fred Firestine wrote:
> > Posted this to ivtv-users earlier, hoping you have some ideas. I have
> > checked that DMA is enabled in the kernel and hdparm reports all
> > drives have DMA enabled. I would now describe the symptoms as fast
> > audio and choppy video; however, I don't know what else to check and
> > my logs look fine. Using FC 4 I did not have these symptoms (see
> > below). I still suspect it is an encoding problem because old
> > recordings play OK.
> >
> > -------------------------------------------------
> >
> > Hi everyone,
> >
> > I recently reinstalled a Fedora Core 4 MythTV setup in Fedora Core 6,
> > restored my database, etc., and after some fiddling with video output,
> > everything seems to be running great. No errors in /var/log/messages.
> > I have recordings from before the upgrade and they play OK. Now when I
> > record shows, they look great, video is in sync with audio, but the
> > audio is slightly too fast (I guess the video is too). I would
> > describe it as "helium voices." Does anyone know what might be
> > happening? My installed versions are below.
> Set your recording profiles to use 48kHz audio or fix your ALSA
> configuration to resample the 32kHz audio to 48kHz during playback.
> Mike
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