Music – Instruments – Electrical musical tone generation
Patent
1998-09-09
2000-10-17
Nappi, Robert E.
Music
Instruments
Electrical musical tone generation
84615, 84618, 84622, 84653, 84656, G10H 700, G10H 118
Patent
active
RE0369101
ABSTRACT:
An electronic musical instrument has a composite sound source for generating a musical tone, and includes a first synthesizing circuit for creating a variety of timbres of the musical tone having a superior quality and a second synthesizing circuit for creating another variety of timbres of the musical tone having an inferior quality. The instrument admits designation information effective to designate one of the first and second synthesizing circuits to be activated and effective to designate a timbre to be created by the designated one of the first and second synthesizing circuits. A detector operates when the second synthesizing circuit is designated for providing a detection signal if the designated timbre can be also created by the first synthesizing circuit. A controller responds to the detection signal for altering the admitted designation information so that the first synthesizing circuit is activated in place of the second synthesizing circuit so as to create the designated timbre by the superior quality.
REFERENCES:
patent: 5044251 (1991-09-01), Matsuda et al.
patent: 5119710 (1992-06-01), Tsurumi et al.
patent: 5192824 (1993-03-01), Shibukawa
patent: 5448009 (1995-09-01), Kudo
Fletcher Marlon
Nappi Robert E.
Yamaha Corporation
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