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Posted by Rick Merrill on 03/19/07 20:37
>> On a DVD the VOB files have sound that leads
>> the video by about 100 ms (3 frames?)
>>
> i found this old message - can anyone confirm if this is done in the
> Sony Camcorder?
> Newsgroups: rec.video.dvd.players
> From: Ben <b...@my-dejanews.com>
> Date: 1999/04/16
>
> I may have missed something on the ng, but I don't think the exact same
> problems exist on the Sony players. I have, however, seen Sony users
> complaining about sync that puts the audio *ahead* of the video.
....> As for the problems arising on some DVDs and not others: the most
> reasonable explanation I have read is that the sync problem serves to
> emphasize a
> mastering problem. Hence, if a DVD is well-mastered, a 2-frame sync
> problem would be virtually undetectable. However, if the DVD master is
> out by 2 frames and the sync problem puts it out by another 2 frames,
> many people will be able to detect the 4-frame audio/video differential.
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