Chord recognition technique

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United States of America Patent

PATENT NO 4467689
SERIAL NO

06391019

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method and apparatus for inhibiting the spurious recognition of new chords in an automatic chord recognition system by permitting a new chord group or chord type to be recognized only if the performer has operated the same or a greater number of keys since the last time an attempt was made to recognize a chord or the last time a valid chord was recognized.

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Patent Owner(s)

  • MIDI MUSIC CENTER, INC., A CORP. OF CA;NORLIN INDUSTRIES, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fimoff, Mark J Hoffman Estates, IL 1 5
Stier, Glenn R Vernon Hills, IL 2 10

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