Chord detecting device and automatic accompaniment device

Details Chord detecting device and automatic accompaniment device Chord detecting device and automatic accompaniment device

1992-07-24

1994-03-22

Witkowski, Stanley J.

Music

Instruments

Electrical musical tone generation

84DIG22, G10H 138

Patent

active

052966445

ABSTRACT:
A chord detecting device has memories for storing note data and a first chord of a first section in a bar, and a tonality data supplier. A chord in a second section of the bar is detected according to note data at the beginning of the second section of the bar, the tonality data and the first chord. The chord detecting device further includes a temporary chord detecting device for detecting the temporary chord at a beginning of the first section, and a fixed chord detecting device for detecting a fixed chord at the beginning of the second section. The temporary chord is detected by a fixed chord of a section immediately before, the tonality data and note data at the beginning of the first section, and the fixed chord is detected by note data within the first section, the tonality data and the temporary chord. An automatic accompaniment device includes the chord detecting device and an accompaniment device for generating accompaniment tones based on the temporary chord.

REFERENCES:
patent: 5153361 (1992-10-01), Kozuki

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