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


Document Number: ISO 21727:2004
File Size: 214 kB
Language: English
Provider: ANSI
Shipping: Available for download - Link will be provided in My ComplianceOnline section

Price: $49.00
Product Details

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.

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