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Posted by Richard Crowley on 10/05/15 11:39
blackburst wrote ...
> Richard Crowley wrote:
>> I have done this myself and it didn't seem to be anywhere
>> near that difficult. If this is a musical program, do you not
>> at least have ambient sound from the music on all the tapes?
>> Its not that hard to line up the music, both on the gross and
>> then on the frame-by-frame scales.
>>
>> In fact, even when I did have TC to work with, it was faster
>> to sync the tracks together using the music on the sound track.
>
> Do-able, but not exact. Good for finding a rough sync. There is a time
> difference between the sound hitting the built-in mics. I once tried
> this with a tape made from the front of the stage, and one from the
> back of the hall. Huge difference.
1 frame of NTSC video for every 36.6 feet of distance to be exact.
OTOH, when cutting between a wide shot and a CU, difficult to
tell whether the sync is exact. Bad news: makes it more difficult
to achieve exact sync: Good news: it doesn't matter! If you can't
tell looking at it frame by frame, the viewer certainly won't be able
to detect it on the fly. :-)
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