Radio Recorders Radio Recorders Radio Recorders, Inc. located at 7000 Santa Monica Boulevard, was a recording studio based in Los Angeles, California. Many notable musicians are reported to have been recorded in the studio include Billie Holiday, Charlie Parker, Jimmie Rodgers, Louis Armstrong, Mario Lanza, Elvis Presley, Jimi Hendrix, Frank Zappa, Paul Frees and The Carpenters among others. In its prime, the studio was considered the best recording facility in Los Angeles. During the Forties and Fifties, Radio Recorders was responsible for recording countless radio shows, both network and local, for delayed broadcast in the Western states. Telephone lines ran to all
Digital video and Ampex developed prototype digital videotape recorders (VTR) in their research and development labs. Bosch's machine used a modified 1 inch type B videotape transport, and recorded an early form of CCIR 601 digital video. Ampex's prototype digital video recorder used a modified 2 inch Quadruplex videotape VTR (an Ampex AVR-3), but fitted with custom digital video electronics, and a special "octaplex" 8-head headwheel (regular analog 2" Quad machines only used 4 heads). Like standard 2" Quad, the audio on the Ampex prototype digital machine, nicknamed by its developers as "Annie", still recorded the audio in analog as linear tracks