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和声学規則と複数アルゴリズムを応用した自動伴奏生成システムの提案と実装

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/58266

Title: 和声学規則と複数アルゴリズムを応用した自動伴奏生成システムの提案と実装
Other Titles: Implementation of an Automatic Accompaniment Generator using the Theory of Harmony and an Application of Multiple Algorithms
Authors: エバンズ, ベンジャミン ルカ Browse this author
Keywords: 自動音楽生成
四声体和声
和声学
ダイナミック・プログラミング
ヒューリスティックルールベースの確率的適用
Automatic Music Generation
Automatic Choral Harmonisation
Theory of Harmony
Dynamic Programming
Heuristic Rule Application
Issue Date: 25-Mar-2015
Abstract: In this paper, we describe "Auto Chorus Creator (ACC)", an automatic four-part accompaniment generator with three novel characteristics. Firstly, we have incorporated the method of Dynamic Programming in the search process of ACC, enabling the real-time generation of even long pieces of music. Secondly, we have applied the rules of harmony as continuous functions, as opposed to the binary function approachesmany related works have used, allowing the system to compare multiple songs in further detail than previous works and make a more objective distinction between them. Finally, we have also implemented a rule base of heuristic rules not directly related to rules of musicology to use in generating the initial point from which ACC starts its search for the optimal output. We have seen this significantly effects the evaluation values of the final output as to when the search isstarted from a randomly generated point in the search field.Our research contributes not only to the field of automatic accompaniment generation, but also to the field of automatic composition in general, offering a novel approach of combining multiple algorithms to produce numerous equally-optimal musical solutions in real-time.
Conffering University: 北海道大学
Degree Level: 修士
Degree Discipline: 情報科学
Type: theses (master)
URI: http://hdl.handle.net/2115/58266
Appears in Collections:学位論文 (Theses) > 修士 (情報科学)

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