Automatic performance tempo control device

Details Automatic performance tempo control device Automatic performance tempo control device

1981-06-11

1982-08-24

Witkowski, S. J.

Music

Instruments

84DIG10, 84DIG12, G10H 140

Patent

active

043455018

ABSTRACT:
A tempo control device for automatic performance according to this invention is of a type wherein a tempo of automatic performance is caused to automatically follow that of manual performance as the latter changes during performance. When difference in tempo between manual and automatic performance falls within a predetermined range, this automatic follow-up control is performed by measuring the manual performance tempo with accuracy and by controlling the frequency of tempo clock pulses in the automatic performance on the basis of the value thus measured. The predetermined range may be one fixed range for all notes of various note-lengths, or alternatively, different ranges may be employed in accordance with the length of notes.

REFERENCES:
patent: 4062263 (1977-12-01), Yamaga et al.
patent: 4242936 (1981-01-01), Swain

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