1187711

ISO 21727:2004

Cinematography - Method of measurement of perceived loudness of motion-picture audio material

standard by International Organization for Standardization , 10/01/2004

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Full Description

ISO 21727:2004 specifies a method of measurement of motion-picture sound that allows assessment of the subjective loudness and annoyance of the sound recording when replayed at the recommended replay level in rooms aligned with the characteristics of ISO 2969. The specified method of measurement assesses the entire duration of the sound recording with suitable channel summation, frequency weighting and time integration.

 

Product Details

Published:
10/01/2004
Number of Pages:
6
File Size:
1 file , 210 KB
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. ISO 21727:2016


    Cinematography - Method of measurement of perceived loudness of short duration motion-picture audio material

    • Most Recent

  2. ISO 21727:2004

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    Cinematography - Method of measurement of perceived loudness of motion-picture audio material

    • Historical Version