Integrating steganographic encoding in multimedia content
First Claim
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1. A method comprising:
- obtaining multimedia content including two or more media types, the multimedia content including first steganographic encoding in a first media type, the first steganographic encoding including first information identifying at least the multimedia content, the first steganographic encoding being encoded at a first encoding location; and
second steganographic encoding in a second media type, the second steganographic encoding including second information identifying a user or user apparatus, wherein the second steganographic encoding is encoded at a second encoding location that is remote from the first encoding location.
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Abstract
The present invention relates to steganographic encoding for multimedia content. In one combination, a method is provided including: encoding first information in a first component of a multimedia signal, the first component comprising audio, the first information being encoded though subtle changes to data representing the first component; encoding second information in a second component of the multimedia signal, the second component comprising video, the first information being encoded though subtle changes to data representing the first component, the first information and the second information are associated. Of course, other combinations are provided as well.
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Citations
20 Claims
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1. A method comprising:
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obtaining multimedia content including two or more media types, the multimedia content including first steganographic encoding in a first media type, the first steganographic encoding including first information identifying at least the multimedia content, the first steganographic encoding being encoded at a first encoding location; and second steganographic encoding in a second media type, the second steganographic encoding including second information identifying a user or user apparatus, wherein the second steganographic encoding is encoded at a second encoding location that is remote from the first encoding location. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method comprising:
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detecting first steganographic encoding that has been encoded in a transform domain representation of an audio signal, the first steganographic encoding including a first calibration component, the first calibration component serving to resolve signal distortion; using the first calibration component to locate embedded payload information in a video signal, wherein the payload information varies from a first frame to a second frame. - View Dependent Claims (10)
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11. A method comprising:
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encoding first information in a first component of a multimedia signal, the first component comprising audio, the first information being encoded through subtle changes to data representing the first component; encoding second information in a second component of the multimedia signal, the second component comprising video, the second information being encoded through subtle changes to data representing the second component, the first information and the second information are associated. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification