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CBS introduces quadraphonic disk with four-corner sound
CBS Laboratories unveils the SQ quadraphonic disk patent 3,770,901 enabling four-channel sound from one or four speakers with a spiral groove and no ultrasonic groove requirements. The system broadcasts over FM stereo and includes corner speakers with decoder.
MENTIONED IN THIS ARTICLE
Stacy V. Jones
Washington
Columbia Broadcasting System
Benjamin B. Bauer
C.B.S. Laboratories
Stamford
Bauer