Tone waveshape generation device

Details Tone waveshape generation device Tone waveshape generation device

1985-08-16

1986-04-29

Isen, Forester W.

Music

Instruments

84 119, 84 124, G10H 100

Patent

active

045849218

ABSTRACT:
A waveshape memory is divided into memory zones having memory capacities which differ depending upon respective tone pitches or tone ranges. In each memory zone, waveshapes of plural periods having characteristics of the corresponding tone pitch or tone range are stored. The memory zone in the waveshape memory is designated in accordance with the tone pitch or tone range of the tone to be generated. A tone signal is produced by reading out waveshapes of plural periods from the designated memory zone.

REFERENCES:
patent: 4305319 (1981-12-01), Linn
patent: 4338674 (1982-07-01), Hamada
patent: 4348929 (1982-09-01), Gallitzendorfer
patent: 4383462 (1983-05-01), Nagai
patent: 4442745 (1984-04-01), Gross et al.
patent: 4463650 (1984-08-01), Rupert

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