Associating metadata with media signals, and searching for media signals using metadata
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United States of America Patent
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Feb 21, 2012
Grant Date -
Nov 15, 2007
app pub date -
Apr 24, 2007
filing date -
Jan 13, 2000
priority date (Note) -
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Abstract
A method of associating metadata with a media signal receives an identifier for the media signal, uses the identifier to look up metadata in a metadata database, validates the metadata by checking attributes of the media signal relative to at least a portion of the metadata to provide validated metadata; and provides the validated metadata to a requesting application. Related methods enable searching of metadata across metadata databases, routing metadata requests to the metadata databases, controlling access to and validating metadata for media content, and re-associating valid metadata with media content.
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