标准号：ISO 21727-2004
实施状态：作废
中文名称：摄影.电影音频材料的感觉级音量的测量方法
英文名称：Cinematography - Method of measurement of perceived loudness of motion-picture audio material
发布日期：2004-10
被替代标准：ISO 21727-2016
代替标准：ISO/FDIS 21727-2004
采用标准：NEN-ISO 21727-2004,IDT
起草单位：ISO/TC 36
标准简介：This International Standard 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.
NOTE Typical recording and replay levels are discussed in Annex A.
文件格式：PDF
文件大小：211.45KB
文件页数：14
（以上信息更新时间为：2019-11-22）
ISO 21727-2004 摄影.电影音频材料的感觉级音量的测量方法.pdf
(211.45 KB)
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