Electronic musical instrument with lone modification for polypho

Details Electronic musical instrument with lone modification for polypho Electronic musical instrument with lone modification for polypho

1990-01-03

1992-10-27

Shoop, Jr., William M.

Music

Instruments

Electrical musical tone generation

84664, 84625, 84DIG4, 84624, G10H 700, G10H 110

Patent

active

051591421

ABSTRACT:
A performance apparatus for producing a mixed musical tone signal having a comparator and a modulator. The comparator detects key data corresponding to musical tones having the same pitch and the same or similar tone colors from key data of musical tones to be mixed. The modulator changes at least a tone element of the mixed musical tone signal on the basis of the key data detected by the comparator to produce tones having multiple-tone like tone colors. The modulator comprises a detuner for detuning pitches of some musical tones of a plurality of musical tones formed based on the key data detected by the comparator, or comprises a modulator for modulating an amplitude or a frequency of the musical tone signal formed and mixed bases on the key data detected by the comparator.

REFERENCES:
patent: 4112803 (1978-09-01), Deutsch
patent: 4342248 (1982-08-01), Deutsch et al.
patent: 4375776 (1983-03-01), Okamoto
patent: 4498364 (1985-02-01), Ezawa
patent: 4538495 (1985-09-01), Sato
patent: 4617851 (1986-10-01), Sato
patent: 4813326 (1989-03-01), Hirano et al.
patent: 4862783 (1989-09-01), Suzuki
patent: 4922796 (1990-05-01), Kondo et al.
patent: 4926736 (1990-05-01), Kozuki
patent: 4939973 (1990-07-01), Suzuki
patent: 5044251 (1991-09-01), Matsuda et al.

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