Cinematography. Test films for the reproduction of 70 mm motion-picture release prints with magnetic stripes. Specifications

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

15-10-1995

Publisher

British Standards Institution

Specifies basic technical characteristics for magnetic sound test films used for measuring, checking and measuring 70 mm motion-picture projector sound systems and sound reproduction channels of motion-picture installations. Includes specifications for test films meant for checking, adjusting and measuring of: output level balance of several motion-picture projectors or systems and interchannel balance on each projector or system; azimuth of the magnetic head gaps; non-uniformity in velocity of film travel; frequency response of the sound reproduction channels.

This International Standard specifies basic technical characteristics for magnetic sound test films used for checking, adjusting and measuring 70 mm motionpicture projector sound systems and sound reproduction channels of motion-picture installations. This International Standard includes specifications for test films intended for checking, adjusting and measuring of: azimuth of the magnetic head gaps (azimuth alignment test film; see table 1); output level balance of several motion-picture projectors or systems and interchannel balance on each projector or system (signal level test film; see table 2); frequency response of the sound reproduction channels (multi-frequency test film; see tables 3 and 4); non-uniformity in velocity of film travel (flutter) (flutter test film; see table 5).

Committee	CPW/36
DevelopmentNote	Supersedes 94/303019 DC. (07/2005) Reviewed and confirmed by BSI, November 2012. (10/2012)
DocumentType	Standard
Pages	14
PublisherName	British Standards Institution
Status	Current
Supersedes	94/303019 DC : DRAFT MAR 1994

Standards	Relationship
ISO 8395:1995	Identical

ANSI S4.6 : 82(R1992)	RECORDED FLUX OF MAGNETIC SOUND RECORDS AT MEDIUM WAVELENGTHS, METHOD OF MEASURING
ISO 266:1997	Acoustics — Preferred frequencies
ISO 3023:1995	Cinematography — 65 mm and 70 mm unexposed motion-picture film — Cutting and perforating dimensions
ISO 8590:1994	Cinematography — Audio records on 70 mm motion-picture release prints with magnetic stripes — Recorded characteristic
ISO 2404:1986	Cinematography — Six-track magnetic sound records on 70 mm striped release prints — Locations and dimensions
IEC 60094-2:1994	Magnetic tape sound recording and reproducing systems - Part 2: Calibration tapes
DIN 45520:1973-01	MAGNETIC TAPE RECORDERS - MEASUREMENT OF THE ABSOLUTE LEVEL OF THE MAGNETIC FLUX AND ITS FREQUENCY RESPONSE ON MAGNETIC TAPES

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BS ISO 8395:1995

Cinematography. Test films for the reproduction of 70 mm motion-picture release prints with magnetic stripes. Specifications

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