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audio sync
I’ve shot footage in a theater of a performance about 100ft from the stage using the in camera mic and am trying to sync the audio from this source with audio from the house mix. If I sync them up via their wave forms in the viewer window at the start they are fine then go way out of sync a few minutes into the shot. any help would be greatly appreciated. Thanks
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4 Replies
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Make sure that both sources are 48 kHz.
(looks like one is 44.1 and the other is 48 now)What tapes were used in the camera (DV, Hi8, DigiBeta, etc) and what on the house mix (DAT, audiocassette), etc.
In other words. Were the sources running at the exact same speed AND samplerate while recording? Otherwise yoy’ll need some pitching.Tell us more about the setup.
Rienk
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The camera was shot in mini dv. The house audio is mini disc.
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Looking in Final cut one file is a 32 bit integer and the other is a 16 bit any way to convert on to the other?
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John, It’s not about the bit depth, but about the sample rate (other column in the browser).
The manual gives you different ways to convert one sample rate to the other.
But still then. Because the sources were not locked to some syncgenerator or to each other, you might have troubles anyway. They probably just recorded on a different pace.
Try the sample-conversion first. And you might need to stretch the housemix audio as well (can be done in ProTools (or in FCP, but then it shifts in ‘tonal height(?)’ (is that english?))Rienk
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