X-Nico

unusual facts about Quadraphonic sound


Lafayette Radio Electronics

However the lack of a single industry standard (Columbia SQ vs. JVC's CD-4 and Sansui's QS) dampened sales, and the experiment ended in 1976.


Precedence effect

The effect was taken into account and exploited in the psychoacoustics of the Fosgate Tate 101A SQ decoder, developed by Jim Fosgate in consultation with Peter Scheiber and Martin Willcocks, to produce much better spatiality and directionality in matrix decoding of 4-2-4 (SQ quadraphonic) audio.


see also