ISO 20859:2005

Cinematography - Spectral response of photographic audio reproducers for analog dye sound tracks on 35 mm film ISO 20859:2005

General information

Current stage: 90.60 Close of review Dec 3, 2023

Originator: ISO

Owner: ISO/TC 36 Cinematography

Type: International Standard

ICS: 37.060.20 Motion picture films. Cartridges

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