The criteria used in the design of a polyphonic keyboard, including outputs to be generated, type of keyboard contacts to be used, contact bounce suppression, speed of operation, accuracy of output information, and channel assignment algorithms, are discussed. A description of the circuits used to meet these requirements is given and their operation is explained.

Authors: Hovey, Carl A.; Seamans, David A.
Affiliation: Department of Electrical Engineering, Washington State University, Pullman, WA
JAES Volume 23 Issue 6 pp. 459-465; August 1975
Publication Date: August 1, 1975

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