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Selective security masking within recorded speech

  • US 9,336,409 B2
  • Filed: 08/07/2009
  • Issued: 05/10/2016
  • Est. Priority Date: 06/28/2006
  • Status: Active Grant
First Claim
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1. A method comprising:

  • monitoring a call comprising speech signals between a person and an agent of a business entity using a time base;

    selecting an area of a user interface that accepts special information from the person during the call;

    designating at least two offset distances around the area;

    identifying an activity comprising at least one of a key stroke and mouse position in at least one of the offset distances and identifying a time associated with the activity using a further time base;

    measuring a time offset between the time base and the further time base;

    determining a correlation coefficient for a correlation between the activity and possible entry of the special information in the area based on a location of the activity in at least one of the offset distances in comparison with a location of the area;

    applying a threshold to the correlation coefficient;

    determining the entry of the special information and identifying a segment of the speech signals that corresponds to the special information within the call when the correlation coefficient satisfies the threshold using the time and the measured time offset; and

    rendering at least a portion of the person'"'"'s special information unintelligible.

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