Methods and apparatus for audio watermarking a substantially...

Details Methods and apparatus for audio watermarking a substantially... Methods and apparatus for audio watermarking a substantially...

G - Physics

10

L

G10L 19/00 (2006.01) H04L 9/32 (2006.01)

Patent

CA 2734666

Methods and apparatus for audio watermarking a substantially silent media content presentation are disclosed. An example method to audio watermark a media content presentation disclosed herein comprises obtaining a watermarked noise signal comprising a watermark and a noise signal having energy substantially concentrated in an audible frequency band, the watermarked noise signal attenuated to be substantially inaudible without combining with a separate audio signal, associating the watermarked noise signal with a substantially silent content component of the media content presentation, the media content presentation comprising one or more media content components, and outputting the watermarked noise signal during presentation of the substantially silent content component.

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