specifies a widely used interface for digital audio equipment with two-channel linear PCM audio. This part of IEC 61937 describes how the interface is used to convey non-linear PCM encoded audio streams.
33.160.30 Audio. Including tape recorders, records, magnetic tapes, cassettes, CDs, etc. / Аудиосистемы. Включая магнитофоны, пластинки, магнитные ленты, кассеты, компакт-диски и т.д.