ISO 4243:1979 Preview
Cinematography -- Picture image area and photographic sound record on 16 mm motion-picture release prints -- Positions and dimensions
This standard was last reviewed and confirmed in 2017. Therefore this version remains current.
The specifications apply to image and photographic sound records on release prints. Also specified are the width and lateral position of the soubnd record scanning beam and its diplacement relative to the corresponding image frame. The sound record shall be properly reproduced at 24 perforations per second which corresponds to a film projection speed of 24 frames per second.
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