Music – Instruments – Electrical musical tone generation
Patent
1991-11-22
1994-05-17
Witkowski, Stanley J.
Music
Instruments
Electrical musical tone generation
G10H 100
Patent
active
053130111
ABSTRACT:
When a playback speed of a recording medium such as a compact disc (CD) or the like is changed, the change of this playback speed is reflected in a clock which controls a tempo of automatic play. In the background of music reproduced from the recording medium, playing data provided during the play is written in a memory (211) in a real time fashion. When the automatic play is carried out in accordance with the content stored in the memory (211), the present invention includes a mode (A) in which the changed state of the playback speed of the CD and the tempo/musical sound pitch states of automatic play are automatically reproduced in the same states as those in the recording timing point, and a mode (B) in which the playback speed of the CD is automatically returned to the original speed before being changed and the tempo/musical sound pitch states of automatic play are automatically changed in response thereto.
REFERENCES:
patent: 4419918 (1983-12-01), Dyck et al.
patent: 4566362 (1986-01-01), Kikumoto
patent: 4694724 (1987-09-01), Kikumoto et al.
patent: 4969384 (1990-11-01), Kawasaki et al.
patent: 5138925 (1992-08-01), Koguchi et al.
patent: 5159141 (1992-10-01), Iba
Casio Computer Co. Ltd.
Witkowski Stanley J.
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