Securing media content with steganographic encoding
First Claim
Patent Images
1. A method comprising:
- receiving audio or image content;
steganographically encoding auxiliary information in the audio or image content, wherein the steganographic encoding includes a local strength that varies in accordance with perceptual attributes of the audio or image content, and wherein the auxiliary information indicates permitted usage rights associated with the audio or image content; and
distributing the steganographically encoded audio or image content.
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Accused Products
Abstract
Methods and apparatus to provide security for audio or image content are provided. In one embodiment, a method includes receiving audio or image content and steganographically encoding auxiliary information in the audio or image content. The auxiliary information carries or links to permitted usage rights that are associated with the audio or image content.
133 Citations
20 Claims
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1. A method comprising:
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receiving audio or image content;
steganographically encoding auxiliary information in the audio or image content, wherein the steganographic encoding includes a local strength that varies in accordance with perceptual attributes of the audio or image content, and wherein the auxiliary information indicates permitted usage rights associated with the audio or image content; and
distributing the steganographically encoded audio or image content. - View Dependent Claims (2, 3, 4)
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5. A method comprising:
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receiving audio or image content;
steganographically encoding auxiliary information in the audio or image content, wherein the auxiliary information is redundantly embedded in the audio or image content according to different embedding forms, and wherein said auxiliary information indicates permitted usage rights associated with the audio or image content; and
distributing the steganographically encoded audio or image content. - View Dependent Claims (6, 7, 8, 9)
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10. A method comprising:
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receiving audio or image content;
steganographically encoding auxiliary information in the audio or image content, wherein the steganographic encoding includes a local strength that varies in accordance with perceptual attributes of the audio or image content, and wherein the auxiliary information refers to an on-line resource that includes usage rights associated with the audio or image content; and
distributing the steganographically encoded audio or image content. - View Dependent Claims (11, 12, 13)
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14. A method comprising:
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receiving audio or image data, wherein the audio or image data comprises header information associated therewith;
steganographically encoding auxiliary information in the audio or image content, wherein the auxiliary information corresponds to at least a portion of the header information, and wherein the auxiliary information and the at least a portion of the header information indicate permitted usage rights associated with the audio or image content; and
encrypting the steganographically encoded audio or image content.
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15. A method comprising:
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obtaining audio or image content;
steganographically encoding auxiliary information in the audio or image content, wherein the auxiliary information refers to an on-line resource that includes usage rights associated with the audio or image content; and
distributing the steganographically encoded audio or image content. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification