Musical tone generation device of waveshape memory type

Details Musical tone generation device of waveshape memory type Musical tone generation device of waveshape memory type

1984-02-29

1986-03-04

Witkowski, S. J.

Music

Instruments

84 113, G10H 102, G10H 700

Patent

active

045733899

ABSTRACT:
A musical tone generation device of waveshape memory type stores, in its memory, waveshape data of an entire part of a rising portion of a musical tone waveshape and waveshape data of only a part of a remainder portion succeeding to the rising portion. The rising portion data is read out once while the remainder portion data is repetitively read out from the memory thereby to reproduce the entire musical tone waveshape. By changing a rate for the repetitive readout operation, a pitch of the musical tone waveshape at the portion succeeding to the rising portion can be changed with passage of time.

REFERENCES:
patent: 4194426 (1980-03-01), Deutsch et al.
patent: 4442745 (1984-04-01), Gross et al.
patent: 4502361 (1985-03-01), Viitanen et al.
patent: 4524666 (1985-06-01), Kato

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