Audiovisual introductions in 1986

Audio compression technologies

type of digital recording system that works by using a digital rather than an analog video signal

a standard identifier code based on an international standard for uniquely identifying sound recordings and music video recordings

surround sound processing technology developed by Dolby Labs

turntable that plays records using laser beams

professional analogue noise reduction system

HD-MAC (High Definition Multiplexed Analogue Components) was a broadcast television standard proposed by the European Commission in 1986, as part of Eureka 95 project. It belongs to the MAC - Multiplexed Analogue Components standard family. It is an early attempt by the EEC to provide high-definition television (HDTV) in Europe. It is a complex mix of analogue signal (based on the Multiplexed Analogue Components standard), multiplexed with digital sound, and assistance data for decoding (DATV). The video signal (1250 lines/50 fields per second in 16:9 aspect ratio, with 1152 visible lines) was