Greater channel separation from an otherwise standard quadraphonic disc is realized by the addition of complementary matrix signals modulated on sub-carriers. The use of single sideband modulation allows practically all the necessary quadraphonic information to be contained within a 25 kHz bandwidth which permits real-time lacquer cutting.
Authors:
Trendell, Edward G.; Cochran, M.
Affiliation:
EMI Research Labs, Hayes, England
AES Convention:
56 (March 1977)
Paper Number:
1220
Publication Date:
March 1, 1977
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