ISO 6025:2000

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Cinematography -- Analogue photographic sound test films, 35 mm and 16 mm -- Specifications

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ISO 6025:2000

Cinematography -- Analogue photographic sound test films, 35 mm and 16 mm -- Specifications

PUBLISH DATE 2000
ISO 6025:2000

This International Standard specifies basic technical characteristics for the international exchange of analogue photographic sound test films intended for checking, adjusting and measuring motion-picture projector sound systems and sound reproducing channels of motion-picture installations for monophonic or stereophonic reproduction.

This International Standard specifies types and technical characteristics of test films made on 35 mm and 16 mm motion-picture films.

This International Standard includes test films intended for the checking, adjusting and measuring of:

  • focusing and azimuth of the scanning beam,
  • scanning beam width and its position relative to the reference edge of the film,
  • uniformity of the scanning beam illumination,
  • level output balance of several motion-picture projectors,
  • frequency response of the sound reproduction channel, and
  • non-uniformity of film travel.
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