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Richard W Trevithick: Programmable multi-channel audio playback system for reel-to-reel tapes. Thorpe North Western & Gold, November 17, 1981: US04301482 (20 worldwide citation)

A programmable multi-channel audio playback system includes a reel-to-reel tape having recorded thereon a plurality of segments of information on multiple channels, with the segments being separated by gaps containing either no information or coded information identifying the gaps, control apparatus ...


2
Richard W Trevithick: Programmable multi-channel audio playback system. Thorpe North & Gold, December 2, 1980: US04237497 (18 worldwide citation)

A programmable multi-channel audio playback system includes a tape having recorded thereon a plurality of segments of information on multiple channels, with the segments being separated by gaps containing no information, control apparatus for causing the tapes to move and for controlling such moveme ...