Musical sound producing device in electronic musical instrument

Details Musical sound producing device in electronic musical instrument Musical sound producing device in electronic musical instrument

1997-07-29

1998-07-21

Witkowski, Stanley J.

Music

Instruments

Electrical musical tone generation

84627, 84DIG2, 381 61, G10H 1057, G10H 122

Patent

active

057837660

ABSTRACT:
A musical sound producing device in an electronic musical instrument of stereophonic sampling system, including: an oscillator using status memory for storing each order of right and left oscillators which are being used for sound production, in accordance with an order of the sound production; a number-of-produced-sound memory register for storing each number of stereophonic sounds and a monophonic sound which are being produced at the same time by the oscillators memorized in the oscillator using status memory; and an oscillator assigning section for performing calculation in accordance with the numbers of the stereophonic sounds and the monophonic sound stored in the number-of-produced-sound memory register, switching at least one stereophonic sounds being produced over to monophonic sound, by damping an oscillator, when a musical sound is newly keyed on under a condition that the number of oscillators which are being used reaches a total number of oscillators, and assigning an oscillator damped by switching to produce the musical sound which is newly keyed on.

REFERENCES:
patent: 4481851 (1984-11-01), Swain et al.
patent: 4570520 (1986-02-01), Deutsch et al.
patent: 4703680 (1987-11-01), Wachi et al.
patent: 5369224 (1994-11-01), Miyata

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