By matrixing the two channels of a stereophonic signal and applying the sum (L+R) signal to the horizontal plates and the differences (L-R) signal to the vertical plates of an oscilloscope, a pattern is traced which portrays the stylus-tip motion in a 45-45° record. This is helpful in studying important relationships in stereophonic transmission, recording, and reproduction.

Authors: Bauer, Benjamin B.; Sioles, George W.
Affiliation: CBS Laboratories, Stamford, CT
JAES Volume 8 Issue 2 pp. 126-129; April 1960
Publication Date: April 1, 1960

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