Transmission systems of audio and/or video and related signals using infra-red radiation - Part 7: Digital audio signals for conference and similar applications— 26 стр.
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.
ICS
33.160.99 Other audio, video and audiovisual equipment / Аудио-, видео- и аудиовизуальное оборудование прочее
33.040.20 Transmission. Including synchronization, cable systems, integrated cabling, pathways and multiplexing / Системы передачи. Включая синхронизацию, кабельные системы, интегрированные кабельные системы, магистрали и уплотнение каналов
