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BS 5550-7.4.2:2000

Current
Current

The latest, up-to-date edition.

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.
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

07-05-2002

Publisher

British Standards Institution

Committees responsible
Foreword
1 Scope
2 Terms and definitions
3 Recording level
4 Method of measurement
Annex A (informative) Typical recording and replay levels
Bibliography
Figure 1 - Method of measurement
Table 1 - M-type frequency weighting
Table 2 - Typical six-channel calibration

Defines maximum sound recording levels for cinema commercials and trailers. The measurement method given is suited to the motion-picture environment where the sound recording is measured over its duration, with suitable frequency weighting and integration.

This British Standard specifies maximum sound recording levels for cinema commercials and trailers. The specified method of measurement is suited to the motion-picture environment where the sound recording is measured over its duration, with suitable frequency weighting and integration.

NOTE 1 The method of measurement specified allows assessment of the subjective loudness and annoyance of the sound recording when replayed at the recommended replay level in rooms calibrated in accordance with BS 5550-7.4.1:1990.

NOTE 2 Typical recording and replay levels are discussed in annex A.

Committee
CPW/36
DevelopmentNote
To be read in conjunction with BS 5550-7.4.1(1990) (08/2000) Supersedes 99/703287 DC (07/2002) Reviewed and confirmed by BSI, November 2008. (11/2008)
DocumentType
Standard
Pages
10
PublisherName
British Standards Institution
Status
Current
Supersedes

ISO 21727:2016 Cinematography — Method of measurement of perceived loudness of short duration motion-picture audio material

BS 5550-7.4.1:1990 Cinematography. Production and presentation. Sound. Specifications and measurements for the B-chain electro-acoustic response of motion-picture control rooms and indoor theatres

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