Performance information analyzer and chord detection device asso

Details Performance information analyzer and chord detection device asso Performance information analyzer and chord detection device asso

1994-04-06

1996-07-23

Witkowski, Stanley J.

Music

Instruments

Electrical musical tone generation

84669, 84DIG22, G10H 138

Patent

active

055391460

ABSTRACT:
A performance information analyzer wherein one of tone pitch information data applied thereto in response to progress of performance of a musical tune is analyzed into one of plural performance parts on a basis of a difference in tone pitch between the one of the tone pitch information data and a reference tone pitch information data previously assigned to a predetermined part of the plural performance parts during prior analysis of the tone pitch information and the other tone pitch information data are analyzed into the other performance parts on a basis of a difference in tone pitch between the analyzed tone pitch information data and each of the other tone pitch information data.

REFERENCES:
patent: 4506580 (1985-03-01), Koike
patent: 4546687 (1985-10-01), Minami
patent: 4864907 (1989-09-01), Oguri
patent: 4887504 (1989-12-01), Okamoto et al.
patent: 4951544 (1990-08-01), Minamitaka
patent: 5136914 (1992-08-01), Letts et al.
patent: 5202526 (1993-04-01), Ohya
patent: 5218153 (1993-06-01), Minamitaka
patent: 5225618 (1993-07-01), Wadhams

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