Method of determining chord type and root in a chromatically tun

Details Method of determining chord type and root in a chromatically tun Method of determining chord type and root in a chromatically tun

1981-06-22

1983-08-09

Dobeck, B.

Music

Instruments

84DIG22, G10F 100

Patent

active

043972098

ABSTRACT:
The type and root of a chord played on a chromatically tuned musical instrument are determined by assigning sequential numerical values to the notes of the chromatic scale and, when a chord is played, calculating the intervals between the individual notes comprising the chord arranged in numerical order. In a preferred embodiment the smallest interval and the interval immediately following the smallest interval are compared with prerecorded interval values commensurate with all defined chord types to identify the type of chord played. The recorded information also contains a root value for each defined chord and these root values are employed, along with the starting note of the smallest interval, to determine chord root.

REFERENCES:
patent: 4142433 (1979-03-01), Gross
patent: 4282786 (1981-08-01), Deutsch et al.
patent: 4295402 (1981-10-01), Deutsch et al.

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