标准摘要
[中文适用范围]： 描述数字多通道、多载波音频传输系统的特性，作为会议口译或使用频率范围 45 kHz 至 1 MHz 和 2 MHz 至 6 MHz 的类似系统的扩展。 [外文原描述]： describes the characteristics of a digital multiple channel, multiple carrier audio transmission system as an extension to conference interpretation or similar systems using the frequency ranges 45 kHz to 1 MHz and 2 MHz to 6 MHz.
英文名称Transmission systems of audio and/or video and related signals using infra-red radiation - Part 7: Digital audio signals for conference and similar applications