Music – Instruments – Electrical musical tone generation
Patent
1989-06-21
1991-08-27
Shoop, Jr., William M.
Music
Instruments
Electrical musical tone generation
84656, G10H 118
Patent
active
050423550
ABSTRACT:
An electronic musical instrument efficiently uses plural tone generation channels to generate both manual performance tones and automatic rhythm performance tones. The tone generation channels normally are used for manual performance tone generation. Tone generation channels for automatic rhythm performance are selected when automatic rhythm performance is designated. The tone generation channels are selected on the basis of non-use or least significance. After a required number of tone generation channels are selected for automatic rhythm performance, musical tone channel assignment is made. When stopping of automatic rhythm performance subsequently is designated, each tone generation channel selected for automatic rhythm performance is designated to return to normal use for generation of manual performance tones.
REFERENCES:
patent: 4624170 (1986-11-01), Ohno
patent: 4706538 (1987-11-01), Yoshida
patent: 4882964 (1989-11-01), Okamoto
Shoop Jr. William M.
Sircus Brian
Yamaha Corporation
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