Reference number
ISO 7831:1986
ISO 7831:1986
© ISO 2025
International Standard
ISO 7831:1986
Cinematography — A-chain frequency response for reproduction of 35 mm photographic sound — Reproduction characteristics
Edition 1
1986-06
1986-06
ISO 7831:1986
14753
Published
(Edition 1, 1986)
This publication was last reviewed and confirmed in 2023.
Therefore this version remains current.
Abstract
This International Standard specifies the A-chain electrical frequency response characteristic for photographic Sound reproduction in motion-picture control rooms and indoor theatres. lt is intended, in conjunction with ISO 2969, to assist in the standardization of recording monitor and reproduction characteristics of motion-picture Sound dubbing theatres, review rooms and indoor theatres. This International Standard covers that part of the motion-picture Sound System from the transducer to the input terminals of the main fader.
