A method is described for a metering device that is capable of measuring the phase angle relationship of two audio program channels. A treatment of alternate techniques is given. Mathematical analysis shows how dynamic measurement can be performed. In addition, a circuit is realized and described that incorporates these techniques and allows for an indication of phase differences over an 80-dB range. Error sources of the meter are identified.

Author: Monforte, John
Affiliation: University of Miami, Department of Music Engineering, Coral Gables, FL
JAES Volume 36 Issue 6 pp. 481-486; June 1988
Publication Date: June 1, 1988

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