전자공학회논문지 (Journal of the Institute of Electronics and Information Engineers)

  • 제50권12호
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  • Pages.238-244
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  • 2013
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  • 2287-5026(pISSN)
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  • 2288-159X(eISSN)
대한전자공학회 (The Institute of Electronics and Information Engineers)
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다중 옥타브 밴드 기반 음악 장르 분류 시스템

Musical Genre Classification System based on Multiple-Octave Bands

  • 변가람 (세종대학교 정보통신공학과) ;
  • 김무영 (세종대학교 정보통신공학과)
  • Byun, Karam (Department of Information and Communication Engineering, Sejong University) ;
  • Kim, Moo Young (Department of Information and Communication Engineering, Sejong University)
  • 투고 : 2013.11.04
  • 심사 : 2013.11.27
  • 발행 : 2013.12.25
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초록

음악 장르 분류를 위해서 다양한 종류의 특징 벡터들이 이용되고 있다. 대표적인 short-term 특징 벡터들로는 mel-frequency cepstral coefficient (MFCC), decorrelated filter bank (DFB), octave-based spectral contrast (OSC) 등이 있으며, 이들의 long-term variation이 함께 이용된다. 본 논문에서는 OSC 특징을 추출하는데 있어서 하나의 옥타브 밴드 뿐만 아니라 다중 옥타브 밴드를 동시에 이용하여 옥타브 밴드 간 상관관계를 함께 반영할 수 있도록 하였다. 2012년도 music information retrieval evaluation exchange (MIREX) 평가회의 mixed 장르 분류 분야에서 4위를 한 알고리즘에 다중 옥타브 밴드를 이용한 결과, GTZAN과 Ballroom 데이터베이스에 대해서 각각 0.40% 포인트와 3.15% 포인트의 성능 향상을 얻을 수 있었다.

For musical genre classification, various types of feature vectors are utilized. Mel-frequency cepstral coefficient (MFCC), decorrelated filter bank (DFB), and octave-based spectral contrast (OSC) are widely used as short-term features, and their long-term variations are also utilized. In this paper, OSC features are extracted not only in the single-octave band domain, but also in the multiple-octave band one to capture the correlation between octave bands. As a baseline system, we select the genre classification system that won the fourth place in the 2012 music information retrieval evaluation exchange (MIREX) contest. By applying the OSC features based on multiple-octave bands, we obtain the better classification accuracy by 0.40% and 3.15% for the GTZAN and Ballroom databases, respectively.

키워드

참고문헌

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