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Mari Ostendorf

  • System Design Methodologies Professor

Mari Ostendorf joined the Speech Signal Processing Group at BBN Laboratories in 1985, where she worked on low-rate coding and acoustic modeling for continuous speech recognition. Two years later, she moved to Boston University in the Department of Electrical and Computer Engineering, where her research expanded to include language modeling, prosody modeling and speech synthesis. She joined the University of Washington in 1999, where she is broadly interested in spoken language technology. She teaches courses in statistical language processing and undergraduate signal processing, and has recently introduced a class titled “The Digital World of Multimedia,” introducing new undergraduates to signal processing and communications. Her current research efforts are centered on rich speech transcription, particularly for purposes of automatic language processing on speech, with more fundamental interests in learning methods for language technology. She has published over 150 papers on various problems in speech and language processing. Ostendorf has served on the Speech Processing and the DSP Education Committees of the IEEE Signal Processing Society and numerous workshop committees.

Representative Publications

  • Aaron Jaech, Baosen Zhang, Mari Ostendorf, and Daniel S. Kirschen, “Real-Time Prediction of the Duration of Distribution System Outages”, IEEE Transactions on Power Systems, Vol. 34, No. 1, pp. 773-781, January 2019. [ Link ]
Mari Ostendorf Headshot
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215D EEB

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Research Areas


  • Ph.D. Electrical Engineering, 1985
    Stanford University
  • M.S. Electrical Engineering, 1981
    Stanford University
  • B.S. Electrical Engineering, 1980
    Stanford University