Watermarking to convey auxiliary information, and media embodying same
First Claim
Patent Images
1. A method comprising:
- (a) receiving data associated with audio, the data comprising a first portion and an associated second portion, said first portion representing audio elements to be rendered a consumer, and the second portion not representing audio elements to be rendered to the consumer;
(b) decoding information hidden in the first portion; and
(c) making a determination concerning said audio by reference to said decoded information and said second portion.
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Abstract
The present invention related generally to audio encoding and decoding. Various arrangements are disclosed. One method obtains audio, wherein authorized or original audio comprises in-band information and associated out-of-band information; searches for out-of-band information associated with obtained audio; searches the obtain audio for in-band information associated with the obtained audio; and based at least in part on a result of the searching for out-of-band information and the searching the obtained audio for in-band information, reaches a decision regarding the obtained audio. Other arrangements are disclosed as well.
224 Citations
47 Claims
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1. A method comprising:
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(a) receiving data associated with audio, the data comprising a first portion and an associated second portion, said first portion representing audio elements to be rendered a consumer, and the second portion not representing audio elements to be rendered to the consumer; (b) decoding information hidden in the first portion; and (c) making a determination concerning said audio by reference to said decoded information and said second portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method comprising:
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obtaining audio, wherein authorized or original audio comprises in-band information and associated out-of-band information; searching for out-of-band information associated with obtained audio; searching the obtain audio for in-band information associated with the obtained audio; and based at least in part on a result of said searching for out-of-band information and said searching the obtained audio for in-band information, reaching a decision regarding the obtained audio. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A method comprising:
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obtaining audio; encoding—
in-band—
information in obtained audio, the information encoded in portions representing the obtained audio to be rendered a consumer,the information being related to out-of-band information that is associated with the obtained audio, in which a conclusion regarding the audio can be reached through searching for the in-band information and searching for the out-of-band information; and providing encoded audio. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32)
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33. An apparatus comprising:
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electronic memory to buffer obtained audio, in which authorized or original audio comprises in-band information and associated out-of-band information; and an electronic processor programmed for; searching for out-of-band information associated with the obtained audio; searching the obtain audio for in-band information associated with the obtained audio; and based at least in part on a result of said searching for out-of-band information and said searching the obtained audio for in-band information, reaching a decision regarding the obtained audio. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40)
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41. A method comprising:
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electronic memory to buffer obtained audio; and an electronic processor programmed for; encoding—
in-band—
information in obtained audio, the information encoded in portions representing the obtained audio to be rendered a consumer,the information being related to out-of-band information that is associated with the obtained audio, in which a conclusion regarding the audio can be reached through searching for the in-band information and searching for the out-of-band information; and providing encoded audio. - View Dependent Claims (42, 43, 44, 45, 46, 47)
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Specification