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Forums › Home Theatre (incl HTPC) › TV recording playback out of sync problem


2042 posts

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# 80479 31-Mar-2011 17:54
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I have a satellite card in my PC which works well. For both viewing and recording I have been using ProgDVB.

However, after installing a subsequent number of updates of ProgDVB the playback audio and video slowly get further and further out of sync.

Oddly though, if I revert back to the 'stable' version of ProgDVB, anything recorded using the updated program will playback perfectly fine!

The stable version is 6.60.2 ... any of the subsequent upgrades cause the out-of-sync problem. I have compared all the codecs being used with both versions and nothing is different there.

Can anyone suggest what is going on and/or a solution please?

Thanks,

R.

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28440 posts

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  # 453901 31-Mar-2011 18:43
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Have you tried playing the video back in any other applications?

It's not really possible for it to "record" the video and audio out of sync as the MPEG transport stream is simply dumped to a file, no processing actually occurs. Sync issues are almost certainly the result of the MPEG DEMUX trying to split the audio and video on playback.



2042 posts

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  # 453916 31-Mar-2011 19:23
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Hi, sorry, meant to include that information. Yes, used Media Player CLassic, and also streamed to TV using a media device ... in both instances the out-of-sync problem still exists.

As best I can tell, the video is ahead of the sound.

R.

 
 
 
 




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  # 453925 31-Mar-2011 19:57
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UPDATE: I think problem has been solved.

Thanks to Steve's pointer to the problem ocurring during playback after using the MPEG DEMUX filter, I changed from Miscrosoft to another demultiplexer and it seems to now be fine.

R.

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