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Old 2007-12-30, 09:58 AM
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pawel pawel is offline
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Join Date: Dec 2004
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Re: Stretching audio to sync with video

Quote:
Originally Posted by Audioarchivist View Post
Changing pitch without changing tempo or changing tempo without bending pitch would both cause artifacts, wouldn't they? Doing both is not nearly as harmful - it's just like playing a tape or a vinyl record a bit faster or slower.
Of course but I have in mind only such A/V sources for which the process doesn't cause noticeable problems. As I wrote above, if difference between audio (track) can be measured in seconds, it's worth a waste bin only. You know that you won't hear milliseconds if correction is done well.

In my experience, the most frequent problem is caused by cuts on clapping, warm up between songs etc. So, it's not big, and can be corrected by patching from one of the source.
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