Tracking time using portable recorders and speech recognition

  • US 7,664,638 B2
  • Filed: 07/28/2008
  • Issued: 02/16/2010
  • Est. Priority Date: 02/16/2001
  • Status: Expired due to Fees
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First Claim
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1. A method, performed on a computer system, for tracking time using speech recognition, the method comprising the acts of:

  • accessing speech data;

    recognizing at least two voice commands from the speech data, each voice command occurring at a different time;

    determining a first time, indicative of a first time of day, associated with a speaking of a first of the voice commands, wherein said first voice command identifies a start of a time interval;

    determining a second time, indicative of a second time of day, associated with a speaking of a second of the voice commands, wherein said second voice command identifies an end of said time interval; and

    storing data identifying said time interval and data identifying one or more of said first voice command and second voice command, whereinthe speech data comprises a time stamp that indicates a third time of day; and

    the act of determining a first time comprises;

    determining an offset time that is a time difference between the time stamp and a time when the first voice command is spoken; and

    determining the first time through reference to the time stamp and the offset time.

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