Automatic performance apparatus with display showing progress of

Details Automatic performance apparatus with display showing progress of Automatic performance apparatus with display showing progress of

1992-04-16

1993-08-03

Envall, Jr., Roy N.

Music

Instruments

Electrical musical tone generation

G06F 1520, G10F 100, G10H 100

Patent

active

052335216

ABSTRACT:
An automatic performance apparatus includes a memory for storing performance data which is generated by an external unit such as an electronic musical instrument having a keyboard. The apparatus includes a measuring unit for measuring the elapsed time of a progressive tune, and a ratio computing unit for computing a time ratio between the measured elapsed time and the total time required to read out all the performance data. This time ratio is displayed to the user. Further, a jump control unit employs the time ratio to determine a jump amount in a fast-forward and fast-rewind mode.

REFERENCES:
patent: 4464731 (1984-08-01), Nishimura
patent: 4474098 (1984-10-01), Pepersack et al.
patent: 4560362 (1986-01-01), Kikumoto
patent: 4622879 (1986-11-01), Matsubara
patent: 4744281 (1988-05-01), Isozaki
patent: 4768413 (1988-09-01), Fujimori
"Visual Composer: Users Guide" AdLib Personal Computer Music System, 1987.

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