Tone signal generation device

Details Tone signal generation device Tone signal generation device

1985-10-21

1988-11-22

Witkowski, Stanley J.

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84 126, 84 128, G10H 700

Patent

active

047857021

ABSTRACT:
A waveshape memory stores waveshape data representing plural waveshapes each having plural periods. A reading sequence controller designates ones to be read out among said waveshape data from the waveshape memory and the readout order thereof. This order may either be a random order or a predetermined one. By performing the readout of the waveshape data, repetitive reading of the same waveshape data is basically avoided, and a periodical noise and monotonousness in the tone color which tend to arise from such repetitive reading are eliminated.

REFERENCES:
patent: 4194427 (1980-03-01), Deutsch
patent: 4345501 (1982-08-01), Nakada et al.
patent: 4379420 (1983-04-01), Deutsch
patent: 4383462 (1983-05-01), Nagai
patent: 4502361 (1985-03-01), Viitanen et al.
patent: 4520708 (1985-06-01), Wachi
patent: 4573389 (1986-03-01), Suzuki
patent: 4584921 (1986-04-01), Wachi
patent: 4635520 (1987-01-01), Mitsumi

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