The Journal of the Korea institute of electronic communication sciences (한국전자통신학회논문지)

Korea Institute of Electronic Communication Science (한국전자통신학회)
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Scream Sound Detection Based on Universal Background Model Under Various Sound Environments

다양한 소리 환경에서 UBM 기반의 비명 소리 검출

  • 정용주 (계명대학교 전자공학과)
  • Received : 2017.04.09
  • Accepted : 2017.06.16
  • Published : 2017.06.30
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Abstract

GMM has been one of the most popular methods for scream sound detection. In the conventional GMM, the whole training data is divided into scream sound and non-scream sound, and the GMM is trained for each of them in the training process. Motivated by the idea that the process of scream sound detection is very similar to that of speaker recognition, the UBM which has been used quite successfully in speaker recognition, is proposed for use in scream sound detection in this study. We could find that UBM shows better performance than the traditional GMM from the experimental results.

GMM(: Gaussian Mixture Model)은 비명 소리를 검출하기 위해서 가장 많이 사용되는 기법의 하나이다. 기존의 GMM 방식에서는 전체 훈련데이터를 비명소리와 비-비명 소리로 나누고, 훈련과정을 통하여 각각의 GMM 모델을 생성하게 된다. 그러나 본 연구에서는 비명 소리 검출 과정이 화자인식과 매우 유사하다는 점에 착안하여 화자인식에서 매우 효과적으로 사용된 UBM(: Universal Background Model) 방식을 비명소리 검출에 적용할 것을 제안하였다. 제안된 UBM 방식을 통한 검출 실험 결과 기존의 GMM 방식에 비하여 더 나은 검출 성능을 보임을 인식 실험을 통하여 확인 할 수 있었다.

Keywords

References

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