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Speech & natural language publications October 1, 2004 Conference Paper

The ICSI-SRI-UW Metadata Extraction System

SRI International October 1, 2004

Abstract

Both human and automatic processing of speech require recognizing more than just the words. We describe a state-of-the-art system for automatic detection of “metadata” (information beyond the words) in both broadcast news and spontaneous telephone conversations, developed as part of the DARPA EARS Rich Transcription program. System tasks include sentence boundary detection, filler word detection, and detection/correction of disfluencies. To achieve best performance, we combine information from different types of language models (based on words, part-of-speech classes, and automatically induced classes) with information from a prosodic classifier. The prosodic classifier employs bagging and ensemble approaches to better estimate posterior probabilities. We use confusion networks to improve robustness to speech recognition errors. […]

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Publication, Speech & natural language publications Conference Paper

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