ISO 4834:1997 电影技术.不包括成条发行拷贝的磁性声带试验胶片.基本技术特性
标准编号:ISO 4834:1997
中文名称:电影技术.不包括成条发行拷贝的磁性声带试验胶片.基本技术特性
英文名称:Cinematography — Magnetic sound test films excluding striped release prints — Basic technical characteristics
发布日期:1997-12
标准范围
本国际标准规定了用于检查、调整和测量配音电影装置的声音再现通道的磁性声音测试胶片的基本技术特性。它还规定了在35mm、17,5mm和16mm电影胶片上制作的磁性测试胶片的类型和技术特性。本国际标准包括用于检查、调整和测量a) 磁头间隙的倾角(方位角);b) 多通道系统的输出电平平衡;c) 声音再现通道的频率响应;d) 膜速度的不均匀性(颤振)。
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 ofa) 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).
标准预览图


