Generation of chord progression using harmony search algorithm for a constructive adaptive user interface

Authors:
Noriko Otani;Katsutoshi Tadokoro;Satoshi Kurihara;Masayuki Numao
Affiliations:
Faculty of Environmental and Information Studies, Tokyo City University, Tsuzuki, Yokohama, Japan;Faculty of Environmental and Information Studies, Tokyo City University, Tsuzuki, Yokohama, Japan;Institute of Scientific and Industrial Research, Osaka University, Ibaraki, Osaka, Japan;Institute of Scientific and Industrial Research, Osaka University, Ibaraki, Osaka, Japan
Venue:
PRICAI'12 Proceedings of the 12th Pacific Rim international conference on Trends in Artificial Intelligence
Year:
2012

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Abstract

A series of studies have been conducted by us a Constructive Adaptive User Interface (CAUI). CAUI induces a personal sensibility model by using a listener's emotional impressions of music and composes music on the basis of that model. Though the experimental results show that it is possible to compose a musical piece that partially adapts to the listener's sensibility, the quality of the composed piece has not been considered thus far. In order to generate high-quality music, it is necessary to consider both the partial and the complete music structure. In this paper, we propose a method for generating chord progressions using a harmony search algorithm for CAUI. The harmony search algorithm is a music-based metaheuristic optimization algorithm that imitates the musical improvisational process. Our experimental results show that the proposed method can improve the degree of adaptability to personal sensibility.