Patents Represented by Attorney Hanley, Fligh & Zimmerman, LLC

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  • Methods and apparatus to extract codes from a plurality of channels
    Patent number: 7421628
    Abstract: Methods and apparatus to extract audio codes are disclosed. An example method includes receiving signals on a plurality of channels and ranking the signals based on at least one characteristic of the signals. A first channel from the plurality of channels is selected based upon the ranking of the signals. The example method further include determining whether a first signal on the first channel includes at least one code and extracting the at least one code from the first signal when the first signal includes the at least one code.
    Type: Grant
    Filed: April 6, 2006
    Date of Patent: September 2, 2008
    Assignee: Nielsen Media Research, Inc.
    Inventors: David H. Wright, Daniel Nelson, Ronald G. Schwerer