| 摘要 |
A chord detecting apparatus includes a computer which, by executing a program, detects chords as designated by player's operation on a keyboard or by key data inputted from an external source. The program includes two kinds of chord detection algorithms, the one for a single finger mode and the other for a fingered chord mode. The apparatus conducts the processing of chord detection under the single finger mode algorithm in preference to the fingered chord mode algorithm, namely the apparatus first tries to detect a chord by the single finger mode rule, and if a chord is detected, such a chord is used for succeeding processes, and if no chord is detected by the single finger rule, the apparatus next tries to detect a chord by the fingered chord mode rule. The apparatus will thus eliminate troublesome manipulation of the detection mode change over switch especially for beginner players to have the intended chords under the single finger rule detected correctly, as well as for advanced players to have the intended chords under the fingered chord rule detected correctly.
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