An interface system has been developed allowing for connection of a concert grand piano action and keyboard to a digital electronic music synthesizer. The interface uses machined-steel flags attached to the hammers and keys of the piano action which pass through phototransistor detectors. These detectors are scanned by a microcomputer and information about the velocity and sustained duration of each key depressed is passed on to the synthesizer.

Authors: Shapiro, Gerald M.; Cullen, Bill
Affiliation: Brown University, Providence, RI
AES Convention: 69 (May 1981) Paper Number: 1780
Publication Date: May 1, 1981

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