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BKSTS Illustrated Dictionary of Moving Image Technology, 4th Edition by Martin Uren

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Appendix G Sound track position and displacement on film

In motion picture prints, the separation between any picture frame and its corresponding sound is standardized, with a tolerance of ±1/2 frame.

Super-8 optical track: sound 22 frames ahead of picture

16 mm optical track: sound 26 frames ahead of picture

35 mm optical track: sound 20 frames ahead of picture

 

Super-8 magnetic track: sound 18 frames ahead of picture

16 mm magnetic track: sound 28 frames ahead of picture

35 mm magnetic track: sound 28 frames behind picture

70 mm magnetic track: sound 24 frames behind picture

 

35 mm SDDStrack: 0 frames ahead of picture

35 mm DTStrack: Not applicable, sound on separate CD-ROM

35 mm Dolby Digitaltrack: 26 frames ahead of picture

Normal projection ...

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