Process for forming musical tones

Details Process for forming musical tones Process for forming musical tones

1978-10-30

1980-11-04

Truhe, J. V.

Music

Instruments

84 101, 364724, G10H 102, G06F 738

Patent

active

042312779

ABSTRACT:
Data-processings for spectrum signals which express the frequency spectrum distributions of corresponding tone waveshape signals, are performed on a frequency domain. The processed spectrum signals are transformed to the corresponding tone waveshape signals by the Fast Inverse Fourier Transform algorithm. Thus filters of desired characteristics on a frequency domain can be composed of simple and inexpensive circuits, and musical tones having desirable tone qualities with abundant varieties can be easily generated.

REFERENCES:
patent: 3778606 (1973-12-01), Schmitt
patent: 3809786 (1974-07-01), Deutsch
patent: 3816729 (1974-06-01), Works
patent: 3884108 (1975-05-01), Deutsch
patent: 3956960 (1976-05-01), Deutsch
patent: 4023028 (1977-05-01), Dillard
patent: 4062060 (1977-12-01), Nussbaumer
patent: 4093994 (1978-06-01), Nussbaumer
patent: 4106103 (1978-08-01), Perreault
patent: 4116103 (1978-09-01), Deutsch

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