Music – Instruments – Electrical musical tone generation
Patent
1992-10-06
1993-08-31
Witkowski, Stanley J.
Music
Instruments
Electrical musical tone generation
84611, 84622, 84DIG12, G10H 106, G10H 142
Patent
active
052411257
ABSTRACT:
An automatic musical editing apparatus is presented which permits easy and efficient alterations of tone generation timing while listening to a musical score. The apparatus employs a CPU 1 which controls the overall function of the apparatus according to the steps stored in memories, and interfaces with the various sections through a bus B. The RAM memories are used to store rhythm pattern data, including a header region HD for storing temporary data, followed by a duration data to specify the generation timing for the first tone DU1, followed by an event data IV1 to specify the first tone. The remaining tones are stored in the same alternating pattern of timings and corresponding tones. The end of the rhythm pattern is indicated by the end data ED. The capability of moving the tone generation timing to a desired location in a score is referred to as the move clock function, and is effected by operating a timing alteration device, a wheel 5, which permits transferring a generation timing to a desired fore and aft location of the present tone location, in proportion to the magnitude of the rotation of the wheel 5.
REFERENCES:
patent: 4981066 (1991-01-01), Kakizaki et al.
patent: 4993306 (1991-02-01), Ueta et al.
Witkowski Stanley J.
Yamaha Corporation
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