Text normalization using a context-free grammar
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United States of America Patent
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Oct 19, 1999
Grant Date -
N/A
app pub date -
Apr 3, 1997
filing date -
Apr 3, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
A text normalizer normalizes text that is output from a speech recognizer. The normalization of the text produces text that is less awkward and more familiar to recipients of the text. The text may be normalized to include audio content, video content, or combinations of audio and video contents. The text may also be normalized to produce a hypertext document. The text normalization is performed using a context-free grammar. The context-free grammar includes rules that specify how text is to be normalized. The context-free grammar may be organized as a tree that is used to parse text and facilitate normalization. The context-free grammar is extensible and may be readily changed.
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