Automatic speech recognition for closed captioning of television: data and issues /
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(Published version)
Date
2002
Authors
Ahmer, Ingrid
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thesis
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Abstract
This thesis addresses the application of automatic speech recognition to the task of offline closed-captioning of television programs, and describes the collection of corpora to support such research and an exploration of issues to be addressed. The use of automatic speech recognition (ASR) for transcription of broadcast speech and as an aid to captioning is reviewed. As background to the task, the methodology for large vocabulary continuous speech recognition (LVCSR) is presented, with particular attention given to the issues of large vocabulary language modelling and consideration of the acoustic complexity arising in broadcast material.
School/Discipline
Institute for Telecommunications Research
Dissertation Note
Thesis (MEng(Telecommunications))--University of South Australia, 2002.
Provenance
Copyright 2002 Ingrid Ahmer
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