标准摘要
[中文适用范围]： 该国际标准规定了用于互换电影模拟音频母带的主引导音，从两轨（在三轨格式唱片上）到六轨。 [外文原描述]： ISO 12611:2004 specifies head-leader tones for use on interchanged motion-picture analogue audio masters, from two track (on three-track format records) through six track.
英文名称Cinematography — Audio head tones for use in international exchange of 35 mm analogue magnetic film masters — Specifications and location