Creating spectral wells for inserting watermarks in audio signals
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United States of America Patent
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Sep 27, 2016
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Jul 20, 2015
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Jul 20, 2015
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Abstract
A method for a machine or group of machines to watermark an audio signal may include receiving the audio signal, receiving a watermark signal, creating a spectral well on the audio signal by removing a portion of the audio signal corresponding to a frequency range, and inserting the watermark signal in the spectral well.
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