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Lü Ping, Yan Yong-hong. Audio Segmentation and Classification in a Broadcast News Task[J]. Journal of Electronics & Information Technology, 2006, 28(12): 2292-2295.
Citation: Lü Ping, Yan Yong-hong. Audio Segmentation and Classification in a Broadcast News Task[J]. Journal of Electronics & Information Technology, 2006, 28(12): 2292-2295.

Audio Segmentation and Classification in a Broadcast News Task

  • Received Date: 2005-04-06
  • Rev Recd Date: 2005-09-20
  • Publish Date: 2006-12-19
  • This paper describes the work on the development of an audio segmentation and classification system applied to a broadcast news task for Chinese language. Three-phase automatic audio segmentation algorithm is provided. Audio stream is cut to audio segments (or sentences) by simply segmentation, fine segmentation and smoothing. Two different fine segmentation algorithms are given. They are dynamic noise tracking segmentation algorithm and segmentation based on mono-phone decoder algorithm respectively. Classifier based on mixture Gaussian model is used to classify audio segment into four groups: noise, music, male and female. The experiments on Xin Wen Lian Bo broadcast news show the performance of automatic segmentation and classification is almost equivalent to that of manual segmentation and classification.
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