Look who is talking: soundbite speaker name recognition in broadcast news speech

  • Authors:
  • Feifan Liu;Yang Liu

  • Affiliations:
  • The University of Texas at Dallas, Richardson, TX;The University of Texas at Dallas, Richardson, TX

  • Venue:
  • NAACL-Short '07 Human Language Technologies 2007: The Conference of the North American Chapter of the Association for Computational Linguistics; Companion Volume, Short Papers
  • Year:
  • 2007

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Abstract

Speaker name recognition plays an important role in many spoken language applications, such as rich transcription, information extraction, question answering, and opinion mining. In this paper, we developed an SVM-based classification framework to determine the speaker names for those included speech segments in broadcast news speech, called soundbites. We evaluated a variety of features with different feature selection strategies. Experiments on Mandarin broadcast news speech show that using our proposed approach, the soundbite speaker name recognition (SSNR) accuracy is 68.9% on our blind test set, an absolute 10% improvement compared to a baseline system, which chooses the person name closest to the soundbite.