ISO 4834-1997 电影 不包括涂磁发行拷贝在内的磁性声带测试片 基本技术特性

标准号：ISO 4834-1997
中文标准名称：电影 不包括涂磁发行拷贝在内的磁性声带测试片 基本技术特性
英文标准名称：Cinematography - Magnetic sound test films excluding striped release prints - Basic technical characteristics
标准类型：G81
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 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 the magnetic sound test films for checking, adjusting and measuring sound reproducing channels of dubbing motion-picture installations. It also specifies types and technical characteristics of magnetic test films made on 35 mm, 17,5 mm and 16 mm motion-picture films. This International Standard includes test films intended for the checking, adjusting and measuring of a) inclination angle (azimuth) of the magnetic head gaps; b) output level balance of multi-channel systems; c) frequency response of the sound reproduction channel; d) non-uniformity of film velocity (flutter).