Three discrete audio signals are combined by means of an encoding matrix into two signals. The stereo compatability of these two signals is shown to be optimum in the sense of left-right separation. This encoded two-channel signal is expanded by means of a decoding matrix into three pseudo-discrete channels. It is shown that this three-channel signal is optimum in the sense of minimum cross-talk.

Authors: Lackey, Robert B.; Hull, John W.; Colson, Henry D.
Affiliations: Ohio State University, Columbus, OH ; Mus-I-Col, Inc. Recording Studio, Ohio State University, Columbus, OH ; Ohio State University, Columbus, OH(See document for exact affiliation information.)
AES Convention: 58 (November 1977) Paper Number: 1293
Publication Date: November 1, 1977

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