标准摘要
[中文适用范围]： 本国际标准规定了在 35 毫米（根据 ISO 491 穿孔）上录制三轨、四轨或六轨磁声唱片以及在 17.5 毫米运动上录制一张单轨唱片时磁头间隙的位置和尺寸。 - 电影。 它还指定相对于胶片行进方向将记录分配给胶片上磁性涂层上的各个轨道。 [外文原描述]： This International Standard specifies the location and dimensions of head gaps for recording three-, four-, or six-track magnetic sound records on 35 mm (perforated in accordance with ISO 491), and one single-track record on 17,5 mm motionpicture film. It also specifies the assignment of records to the various tracks on the magnetic coating on the film in relation to the direction of film travel.
英文名称Cinematography — Head gaps and sound records for three-, four-, or six-track magnetic sound records on 35 mm and single-track on 17,5 mm motion-picture film containing no picture — Positions and width dimensions