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ISO 21727:2016-ed.2.0
Cinematography — Method of measurement of perceived loudness of short duration motion-picture audio material
Automatically translated name:
Cinematography -- Method of measurement of perceived loudness of short duration motion-picture audio material
STANDARD published on 25.4.2016
The information about the standard:
Designation standards: ISO 21727:2016-ed.2.0
Publication date standards: 25.4.2016
SKU: NS-637632
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: International technical standard
Category: Technical standards ISO
The category - similar standards:
Annotation of standard text ISO 21727:2016-ed.2.0 :
Description / 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.
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