Feature Analysis and Normalization Approach for Robust Content-Based Music Retrieval to Encoded Audio with Different Bit Rates

Authors:
Shuhei Hamawaki;Shintaro Funasawa;Jiro Katto;Hiromi Ishizaki;Keiichiro Hoashi;Yasuhiro Takishima
Affiliations:
Waseda University, Tokyo, Japan 169-8555;Waseda University, Tokyo, Japan 169-8555;Waseda University, Tokyo, Japan 169-8555;KDDI R&D Laboratories Inc, Saitama, Japan 356-8502;KDDI R&D Laboratories Inc, Saitama, Japan 356-8502;KDDI R&D Laboratories Inc, Saitama, Japan 356-8502
Venue:
MMM '09 Proceedings of the 15th International Multimedia Modeling Conference on Advances in Multimedia Modeling
Year:
2009

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Abstract

In order to achieve highly accurate content-based music information retrieval (MIR), it is necessary to compensate the various bit rates of encoded songs which are stored in the music collection, since the bit rate differences are expected to apply a negative effect to content-based MIR results. In this paper, we examine how the bit rate differences affect MIR results, propose methods to normalize MFCC features extracted from encoded files with various bit rates, and show their effects to stabilize MIR results.