Automated extraction of semantic content and generation of a structured document from speech
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United States of America Patent
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Sep 1, 2009
Grant Date -
Feb 23, 2006
app pub date -
Aug 20, 2004
filing date -
Aug 20, 2004
priority date (Note) -
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Abstract
Techniques are disclosed for automatically generating structured documents based on speech, including identification of relevant concepts and their interpretation. In one embodiment, a structured document generator uses an integrated process to generate a structured textual document (such as a structured textual medical report) based on a spoken audio stream. The spoken audio stream may be recognized using a language model which includes a plurality of sub-models arranged in a hierarchical structure. Each of the sub-models may correspond to a concept that is expected to appear in the spoken audio stream. Different portions of the spoken audio stream may be recognized using different sub-models. The resulting structured textual document may have a hierarchical structure that corresponds to the hierarchical structure of the language sub-models that were used to generate the structured textual document.
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