The ICSI-SRI spring 2006 meeting recognition system

  • Authors:
  • Adam Janin;Andreas Stolcke;Xavier Anguera;Kofi Boakye;Özgür Çetin;Joe Frankel;Jing Zheng

  • Affiliations:
  • International Computer Science Institute, Berkeley, CA;International Computer Science Institute, Berkeley, CA;,International Computer Science Institute, Berkeley, CA;International Computer Science Institute, Berkeley, CA;International Computer Science Institute, Berkeley, CA;International Computer Science Institute, Berkeley, CA;SRI International, Menlo Park, CA

  • Venue:
  • MLMI'06 Proceedings of the Third international conference on Machine Learning for Multimodal Interaction
  • Year:
  • 2006

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Abstract

We describe the development of the ICSI-SRI speech recognition system for the National Institute of Standards and Technology (NIST) Spring 2006 Meeting Rich Transcription (RT-06S) evaluation, highlighting improvements made since last year, including improvements to the delay-and-sum algorithm, the nearfield segmenter, language models, posterior-based features, HMM adaptation methods, and adapting to a small amount of new lecture data. Results are reported on RT-05S and RT-06S meeting data. Compared to the RT-05S conference system, we achieved an overall improvement of 4% relative in the MDM and SDM conditions, and 11% relative in the IHM condition. On lecture data, we achieved an overall improvement of 8% relative in the SDM condition, 12% on MDM, 14% on ADM, and 15% on IHM.