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BS 5550-7.4.1:1990

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Cinematography. Production and presentation. Sound. Specifications and measurements for the B-chain electro-acoustic response of motion-picture control rooms and indoor theatres

Available format(s)

Hardcopy , PDF

Superseded date

30-06-2015

Language(s)

English

Published date

30-06-1990

Committees responsible
National foreword
Specification
0. Introduction
1. Scope and field of application
2. References
3. Definitions
4. Method of measurement
5. Characteristics
6. Bibliography
Annex
Additional data
Tables
1. Characteristics of the B-chain
2. Approximate correction factors for auditorium size,
    in decibels
Figures
1. Complete theatrical sound reproducing system
2. Method of measurement of B-chain
3. Curve N of B-chain characteristic
4. Curve X of B-chain characteristic

Describes the characteristics of the B-chain response of motion-picture studio dubbing theatres, review rooms and indoor theatres. Assists in the standardization of recording monitor and reproduction characteristics of motion-picture sound in rooms with volumes of at least 150 cubed metres. Recorded sound for reproduction under domestic listening conditions, i.e., radio and television broadcasting, tape or disks.

Committee
CPW/36
DevelopmentNote
Reviewed and confirmed by BSI, January, 2004. (11/2004) Supersedes BS 5550-7.4.1(1978) & 85/44724 DC. (08/2005)
DocumentType
Standard
Pages
14
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

BS 6259:1997 Code of practice for the design, planning, installation, testing and maintenance of sound systems
BS 5550-7.4.2:2000 Cinematography. Production and presentation. Sound Specification for maximum recording levels for commercials and trailers - Subsection 7.4.2: Sound - Specification for maximum recording levels for commercials and trailers.

BS 5550-3.4.2:1978 Cinematography. 35 mm film. Sound Specification for recorded characteristics for magnetic sound records on 35 mm motion-picture film
ISO 8622:1998 Cinematography — Magnetic sound records on 70 mm motion-picture release prints with magnetic stripes — A-chain reproduction characteristics
BS 5550-3.4.9:1987 Cinematography. 35 mm film. Sound Specification for reproduction characteristics of the A-chain frequency response for 35 mm photographic sound
BS 3593:1963 Recommendation on preferred frequencies for acoustical measurements
BS 5969:1981 Specification for sound level meters

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