Reference number
ISO 21727:2016
International Standard
ISO 21727:2016
Cinematography — Method of measurement of perceived loudness of short duration motion-picture audio material
Edition 2
2016-05
Read sample
ISO 21727:2016
69744
Published (Edition 2, 2016)
This publication was last reviewed and confirmed in 2023. Therefore this version remains current.

ISO 21727:2016

ISO 21727:2016
69744
Language
Format
CHF 42
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Abstract

ISO 21727:2016 specifies a method of measurement of short duration 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, typically commercials and trailers that do not exceed 3 min in length, with suitable channel summation, frequency weighting and time integration. It does not specify a maximum recommended level for such material and is solely aimed at describing a measurement method.

NOTE Typical recording and replay levels are discussed in Annex A.

General information

  •  : Published
     : 2016-05
    : International Standard confirmed [90.93]
  •  : 2
     : 6
  • ISO/TC 36
    37.060.99 
  • RSS updates

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