Modulating one or more parameters of an audio or video perceptual coding system in response to supplemental information
First Claim
1. A method of modifying the operation of the encoder function and/or the decoder function of a perceptual coding system in accordance with supplemental information so that the supplemental information may be detectable in the output of the decoder function, comprising modulating one or more parameters in said encoder function and/or said decoder function in response to the information content of said supplemental information.
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Abstract
A method of modifying the operation of the encoder function and/or the decoder function of a perceptual coding system in accordance with supplemental information, such as a watermark, so that the supplemental information may be detectable in the output of the decoder function. One or more parameters are modulated in the encoder function and/or the decoder function in response to the supplemental in formation.
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Citations
21 Claims
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1. A method of modifying the operation of the encoder function and/or the decoder function of a perceptual coding system in accordance with supplemental information so that the supplemental information may be detectable in the output of the decoder function, comprising
modulating one or more parameters in said encoder function and/or said decoder function in response to the information content of said supplemental information.
Specification