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.
Applies to a pre-recorded optical reflective digital audio disc system.Defines those parameters of compact discs that affect interchangeability between discs and players. Is also intended as a reference for manufacturers wishing to produce discs and/or players that conform to the system described in this standard.