Methods, apparatus and programs for generating and utilizing content signatures
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United States of America Patent
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Sep 20, 2011
Grant Date -
May 3, 2007
app pub date -
Dec 20, 2006
filing date -
Dec 21, 2000
priority date (Note) -
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Abstract
The present invention generally relates to deriving and/or utilizing content signatures (e.g., so-called “fingerprints”). One claim recites a method including: obtaining data from a remote device, the data comprising a reduce-bit representation of an audio or video signal; utilizing at least a processor or electronic processing circuitry, deriving a fingerprint of the data, the fingerprint of the data serves as an identifier of the audio or video signal, and comprises an even more reduce-bit representation of the audio or video signal relative to the data; using at least the fingerprint, obtaining information or content associated with the audio or video signal; and providing the information or content to the remote device or to a device associated with the remote device. Of course, additional claims and combinations are provided as well.
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