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ISO 4834:1997
M00009293
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ISO 4834:1997 Cinematography -- Magnetic sound test films excluding striped release prints -- Basic technical characteristics
standard by International Organization for Standardization, 12/01/1997
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This International Standard specifies basic technical characteristics for the magnetic sound test films for checking, adjusting and measuring sound reproducing channels of dubbing motion-picture installations.
It also specifies types and technical characteristics of magnetic test films made on 35 mm, 17,5 mm and 16 mm motion-picture films.
This International Standard includes test films intended for the checking, adjusting and measuring of
inclination angle (azimuth) of the magnetic head gaps;output level balance of multi-channel systems;frequency response of the sound reproduction channel;non-uniformity of film velocity (flutter).