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ISO 20859:2005

Cinematography - Spectral response of photographic audio reproducers for analog dye sound tracks on 35 mm film

Jun 23, 2005

General information

90.60     Dec 3, 2023

ISO

ISO/TC 36

International Standard

37.060.20  

English  

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Scope

ISO 20859:2005 specifies the spectral response of the photographic audio reproducer light source and receptor as a unit, including any optical filtering that can be interposed.
The analog sound track formats suitable for reproduction using such a reproducer include the cyan dye-only track (without redevelopment of silver) and both conventional and "high magenta" soundtracks (with redevelopment of silver).

Life cycle

NOW

PUBLISHED
ISO 20859:2005
90.60 Close of review
Dec 3, 2023