Electronic musical instrument capable of simulating small pitch

Details Electronic musical instrument capable of simulating small pitch Electronic musical instrument capable of simulating small pitch

1992-07-23

1995-06-20

Shoop, Jr., William M.

Music

Instruments

Electrical musical tone generation

84659, 84661, G10H 700, G10H 106

Patent

active

054262623

ABSTRACT:
An electronic musical instrument: is provided to perform an active control on the pitch of the musical tone to be generated, thereby simulating the pitch-rising phenomenon to be occurred in the performance of a non-electronic musical instrument such as a wind instrument, percussion instrument and stringed instrument. In case of the simulation of the wind instrument, this electronic musical instrument is mainly configured by an excitation-vibration circuit and a tube simulation circuit which are connected together by means of a junction. The tube simulation circuit is configured by a closed-loop circuit in which plural delay circuits and junction circuits are connected together in cascade-connection manner. Herein, the delay circuits simulate the propagation delay of the air-pressure wave to be transmitted through the tube of the wind instrument, while the junction circuits simulate the scattering manner of the air-pressure wave at the points at which the diameter of the tube is changed. The number of the delay stages which are required to simulate the musical sound is controlled to be changed in a lapse of time.

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patent: 5223656 (1993-06-01), Higashi
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patent: 5286913 (1994-02-01), Higashi
patent: 5290969 (1994-03-01), Kobayashi

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