Iguchi Yukihiro
Department Undergraduate School , School of Science and Technology Position Professor |
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Date | 2023/01/07 |
Presentation Theme | A Method to Estimate Chord Progressions in Music Using n-grams and Rule Processing |
Promoters | IEICE |
Conference Type | Workshop/Symposium |
Presentation Type | Speech (General) |
Contribution Type | Collaborative |
Country | Japan |
Holding period | 2023/01/07~2023/01/08 |
Publisher and common publisher | Kosuke TODA, Tsutomu SASAO, and Yukihiro IGUCHI |
Details | In this paper, we treat a chord progression of music in a midi format as a classification problem, and propose a method to estimate chords from 120 registered chords. We add two parameters, order and weight , to the chromavector, and estimate the chord progression of a musical note by rule processing of evaluation values obtained from vectors. The estimated chord progressions are divided by an arbitrary number of chords, and the chord progressions are modified by a pattern matching using n-grams. The results of chord progression estimation for 20 musical notes by 4 compose rsshowedthattheaccuracies are between 0.3 and 0.8. |