BS ISO 8395-1995 电影摄影技术.带磁性声迹的70mm影片发行拷贝复制用试验胶片.规范

标准号：BS ISO 8395-1995
中文标准名称：电影摄影技术.带磁性声迹的70mm影片发行拷贝复制用试验胶片.规范
英文标准名称：Cinematography - Test films for the reproduction of 70 mm motion-picture release prints with magnetic stripes - Specifications
标准类型：G81
发布日期：1995/10/15 12:00:00
实施日期：1995/10/15 12:00:00
中国标准分类号：G81
国际标准分类号：37.060.20
适用范围：This International Standard specifies basic technical characteristics for magnetic sound test films used for checking, adjusting and measuring 70 mm motion-picture projector sound systems and sound repro-duction channels of motion-picture installations. This International Standard includes specifications for test films intended for checking, adjusting and measuring of: a) azimuth of the magnetic head gaps (azimuth alignment test film; see table 1); b) output level balance of several motion-picture projectors or systems and interchannel balance on each projector or system (signal level test film; see table 2); c) frequency response of the sound reproduction channels (multi-frequency test film; see tables 3 and 4); d) non-uniformity in velocity of film travel (flutter) (flutter test film; see table 5).