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sklademVydáno: 2014-10-31
BS ISO 7832:2014
Cinematography. Photoelectric output factor of photographic-type audio-level test films. Measurement and calibration
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Označení normy: | BS ISO 7832:2014 |
Počet stran: | 16 |
Vydáno: | 2014-10-31 |
ISBN: | 978 0 580 83230 7 |
Status: | Standard |
DESCRIPTION
BS ISO 7832:2014
This standard BS ISO 7832:2014 Cinematography. Photoelectric output factor of photographic-type audio-level test films. Measurement and calibration is classified in these ICS categories:
- 37.060.20 Motion picture films. Cartridges
This International Standard specifies a method of measuring and calibrating the photoelectric output factor of single channel analogue photographic-type audio-level test films in all gauges, using a calibrating sound reproducer. It is applicable to both variable area- and variable density-type sound records with a silver audio track.
It also specifies the performance of a calibrating audio reproducer.
Calibrated audio-level test films are employed to measure the precise output level of photographic sound reproducers and the photoelectric output factor of different sound records. They are also employed to establish a reference level on a standard program level meter, should that be appropriate for the installation in use.