The Nielsen Comapny (us), LLC

Venugopal Srinivasan

Alexander Topchy

Methods and apparatus for determining increasing robustness of media signatures are disclosed. An example apparatus disclosed herein is to select to at least one of (A) boost a first characteristic of a media signal at a first time or (B) attenuate a second characteristic of the media signal at a second time based on an effect of the at least one of the boost of the first characteristic or the attenuation of the second characteristic on a difference between a third characteristic of the media signal at a third time and a fourth characteristic of the media signal at a fourth time. The disclosed example apparatus is also to perform the selected one of (A) the boost of the first characteristic of the media signal at the first time or (B) the attenuation of the second characteristic of the media signal at the second time to enhance the media signal.

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Tarpon Springs, FL, United States of America

Venugopal Srinivasan