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Detecting and logging triggered events in a data stream

  • US 20050281293A1
  • Filed: 06/22/2004
  • Published: 12/22/2005
  • Est. Priority Date: 06/22/2004
  • Status: Abandoned Application
First Claim
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1. A method of detecting triggering events in a data stream, comprising:

  • (a) extracting audio portions from the data stream;

    (b) detecting a sequence of one or more Dual Tone Multiple Frequency (DTMF) signals representing the events from the extracted audio portions; and

    (c) logging data representative of the sequence of DTMF signals into a database.

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