Electronic musical instrument for generating a natural musical t

Details Electronic musical instrument for generating a natural musical t Electronic musical instrument for generating a natural musical t

1986-03-18

1987-12-01

Witkowski, S. J.

Music

Instruments

84 126, 84 113, G10H 1057, G10H 108, G10H 700

Patent

active

047096110

ABSTRACT:
An electronic musical instrument includes a first waveform memory for storing a waveform corresponding to an attack portion of a musical tone and one period of a steady waveform produced after the attack, a second waveform memory for storing one period of a waveform different from the contents of the first waveform memory, a waveform reader which reads out the first and second waveform from the first and second waveform memory, respectively, and an envelope generator which generates two separate envelope signals. The first waveform including the attack portion of the musical tone and the periodic second waveform are multiplied by the separate envelope signals, respectively, and then the products of the multiplication are added together. The sum of the products is provided as an output. Thus, the electronic musical instrument is capable of precisely simulating the attack portions of musical tones of a natural musical instrument and generating musical tone signals having a steady part vividly simulating the musical tones of the natural musical instrument.

REFERENCES:
patent: 4383462 (1983-05-01), Nagai et al.
patent: 4442745 (1984-04-01), Gross et al.
patent: 4502361 (1985-03-01), Viitanen et al.
patent: 4520708 (1985-06-01), Wachi
patent: 4524666 (1985-06-01), Kato
patent: 4635520 (1987-01-01), Mitsumi
patent: 4638710 (1987-01-01), Kitamura et al.

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