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Method and apparatus for detecting query-driven topical events using textual phrases on foils as indication of topic

  • US 20030065655A1
  • Filed: 08/13/2002
  • Published: 04/03/2003
  • Est. Priority Date: 09/28/2001
  • Status: Abandoned Application
First Claim
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1. A method for automatically detecting and retrieving topical events from a recording that comprises digital audio signals, comprising:

  • searching for a length in the recording during which a desired topic of discussion is heard, wherein the desired topic of discussion is identified and summarized by a group of text phrases on a slide;

    detecting a query-driven topical event using time-localized textual phrases on foils as an indication of a topic; and

    wherein detecting the query-driven topical event further comprises detecting topical audio events using a text content of the slide as the indication of the topic.

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