Programme production for international exchange release is largely based on film;programmes stored on 35 mm cinematographic film provide a high-quality source input required with future conventional 16:9 television and HDTV services;such programmes are archived for a very long period of time;during archival storage such films may be reused many times for the transfer of the programme from film onto tape;loss of technical quality during the lifetime of the archived programme must be avoided;proper care when handling the film before, during and after each archival interval is a pre-requisite for the successful retrieval of the programme;the vinegar syndrome affecting the film base may require special attention in this respect.
ITU-R BR.1219 FRENCH-1995由国际电信联盟 IX-ITU 发布于 1995-01-01。
ITU-R BR.1219 FRENCH-1995 在中国标准分类中归属于: N40 电影、照相、缩微、复印设备综合。
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