Sixth European Conference on Speech Communication and Technology
(EUROSPEECH'99)

Budapest, Hungary
September 5-9, 1999

Dragon Systems' 1998 Broadcast News Transcription System

Steven Wegmann, Puming Zhan, Ira Carp, Michael Newman, Jon Yamron, Larry Gillick

Dragon Systems Inc., Newton, MA, USA

In this paper we shall describe key improvements to Dragonís Broadcast News Transcription System, which include: the addition" of a "speaker-change detection al-gorithm to" our preprocessing subsystem, a new diagonalizing transformation trained using semitied co-variances, "and the addition of probabilities on pronunciations. "This new transcription system yields a word error" rate of 15.2% on the 1997 evaluation test data, and 14.5%" on the 1998 evaluation test data.


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Bibliographic reference.  Wegmann, Steven / Zhan, Puming / Carp, Ira / Newman, Michael / Yamron, Jon / Gillick, Larry (1999): "Dragon systems' 1998 broadcast news transcription system", In EUROSPEECH'99, 691-694.