Aktívna norma | Vydaná: 21.01.1993

ISO 9568:1993

Cinematography — Background acoustic noise levels in theatres, review rooms and dubbing rooms
(Cinématographie — Niveaux de bruit de fond dans les salles de projection, de visionnement et les auditoriums de doublage)

Dostupné jazyky: Anglicky

Dostupné prevedenie: Elektronické PDF, Tlačené

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Podrobné informácie

Označenie: ISO 9568:1993

Dátum vydania: 21.01.1993

Stránok: 4

Krajina: Medzinárodná technická norma

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Anotácia

Description / Abstract: Specifies measurement methods and maximum ratings for indoor background sound pressure levels. Applies to noise emitted by heating, ventilating and air-conditioning systems, intrusive noise from the projector(s) and noise emitted by any other mechanical or electrical equipment, but not to intrusive noise from outside, such as traffic noise. It is intended for application when the background noise is essentially a steady-state sound, without strong time-varying components.

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