Synthetic recording device in an automatic performance piano

Details Synthetic recording device in an automatic performance piano Synthetic recording device in an automatic performance piano

1990-07-24

1991-12-17

Witkowski, Stanley J.

Music

Instruments

Electrical musical tone generation

84619, 84445, G10H 120, G10H 700

Patent

active

050726447

ABSTRACT:
A synthetic recording device in an automatic performance piano includes a key range setting circuit for setting a range of keys in which record performance information is to be generated, a transposition circuit for transposing, when playback performance information read from a memory corresponds to a key within this key range, the playback performance information by a predetermined amount of transposition, a piano performance unit for performing playback in response to the transposed playback performance information, a selection circuit for selecting key operation information corresponding to a key in the key range set by the key range setting circuit and outputting the selected information as record performance information, a delay circuit for delaying the playback performance information by a predetermined period of time, and a synthetic recording circuit for synthesizing the delayed playback performance information and the record performance information and providing the synthesized information to be stored in the memory. An optimum transposition is automatically made by a simple operation by a performer for designating the key range in which record performance information is to be generated and a record part and a playback part in the keyboard can be clearly distinguished from each other.

REFERENCES:
patent: 3890871 (1975-06-01), Oberheim
patent: 4406203 (1983-09-01), Okamoto et al.
patent: 4449437 (1984-05-01), Cotton, Jr. et al.
patent: 4724736 (1988-02-01), Isozaki
patent: 4991484 (1991-02-01), Kawashima

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