本标准规定了模拟摄影音频的电气频率响应特性 在电影控制室和室内影院进行复制。其目的是帮助标准化 录音室配音影院35毫米电影音频的录制、监控和再现特性， 阅览室和室内剧院。该标准涵盖了电影音频系统的这一部分 传感器连接至主音量控制器的输入端子。

This standard specifies the electrical frequency response characteristics for analog photographic audio reproduction in motion-picture control rooms and indoor theatres. It is intended to assist in standardization of recording monitor and reproduction characteristics of 35-mm motion-picture audio in studio dubbing theatres, review rooms, and indoor theatres. The standard covers that part of the motion-picture audio-system from the transducer to the input terminals of the main fader.