[mythtv-users] Recorded at a slightly higher pitch
mythtv at rodsbooks.com
Mon Oct 15 20:22:58 UTC 2007
On Monday 15 October 2007 15:47:06 Michael T. Dean wrote:
> On 10/15/2007 02:40 PM, Rod Smith wrote:
> > Others have posted two other possible causes. I'll add this: I've seen
> > something like this once or twice in videos I've obtained from the
> > Internet. Upon investigation I found that they were recorded with an
> > audio sampling rate of 44,100 Hz. Apparently certain MythTV video tools
> > like seeing a 48,000 Hz recording, and play back 44,100 Hz recordings at
> > a higher pitch.
> More likely you have a (broken) audio configuration that prevents proper
> playback of anything other than 48kHz audio.
Nope. I can play 44,100 Hz plain audio files just fine. I don't recall
precisely what I was using to play back the problem files -- it could have
been Myth's internal player or an external player such as mplayer, but it was
definitely causing me problems. I also recall that I burned the file to a
DVD+RW and had the same problem on a standalone DVD player. It's entirely
possible that the original file itself was broken in some way.
In any event, I ultimately fixed that specific problem; I only mentioned it
because I thought it was possible that something similar was at work for the
OP. Testing the audio encoding frequency should only take a couple of
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