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A Bag-of-Tones Model with MFCC Features for Musical Genre Classification

  • Zengchang Qin
  • Wei Liu
  • Tao Wan
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8346)

Abstract

Musical genres are categorical labels created by humans to characterize pieces of music. These labels may be highly subjective but typically are related to the instrumentation, rhythmic structure, and harmonic content of the music. In this paper, we propose a model for music genre classification. The new model is referred to as the bag-of-tones (BOT) model which follows the conceptually similar idea of the bag-of-words (BOW) model in natural language processing and the bag-of-feature (BOF) model in image processing. The basic low-level music features such as Mel-frequency cepstral coefficients (MFCC) are clustered into a set of codewords referred to as “tones”. By using such a model, each piece of music can be represented by a new feature vector of distribution on tones. Classical machine learning models such as support vector machines (SVM) can be applied for genre classification. The model is tested using two datasets. We found that the polynomial kernel function has the best performance in the SVM classification. By comparing to the previous work, we found the new proposed model outperform classical models on a given benchmark dataset. In general, this model can be used to structure the large collections of music available on the Web. It can play an important role in automatic digital music categorization and retrieval.

Keywords

bag-of-words bag-of-tones MFCC musical genre classification 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Zengchang Qin
    • 1
  • Wei Liu
    • 1
    • 2
  • Tao Wan
    • 3
    • 4
  1. 1.Intelligent Computing and Machine Learning Lab, School of ASEEBeihang UniversityBeijingChina
  2. 2.School of Advanced EngineeringBeihang UniversityBeijingChina
  3. 3.School of Biological Science and Medical EngineeringBeihang UniversityBeijingChina
  4. 4.Department of Biomedical EngineeringCase Western Reserve UniversityClevelandUSA

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