Harmony recognition technique application

Details Harmony recognition technique application Harmony recognition technique application

1979-01-15

1981-02-03

Witkowski, Stanley J.

Music

Instruments

84DIG22, G10H 138, G10H 500

Patent

active

042481180

ABSTRACT:
Techniques for translating the harmony expressed by the keyboard playing of a performer into a chord type and root. Playing key pattern representations are stored in a digital memory at locations having addresses defining the corresponding chord type. A playing key pattern signal identifying the pattern of the keys played by the performer is then generated. The playing key pattern signal is used to locate the corresponding stored playing key pattern representation. When a match occurs, the chord type and root are derived by a processor.

REFERENCES:
patent: 3725560 (1973-04-01), Robinson et al.
patent: 3844192 (1974-10-01), Brand et al.
patent: 3872765 (1975-03-01), Amaya
patent: 3889568 (1975-06-01), Amaya
patent: 4065993 (1978-01-01), Hirose
patent: 4138918 (1979-02-01), Kato
patent: 4142433 (1979-03-01), Gross
patent: 4148241 (1979-04-01), Morez et al.

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