Method and apparatus for identifying an unknown work
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United States of America Patent
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May 5, 2009
Grant Date -
Mar 29, 2007
app pub date -
Sep 28, 2005
filing date -
Sep 28, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system for determining an identity of a received work. The system receives audio data for an unknown work. The audio data is divided into segments. The system generates a signature of the unknown work from each of the segments. Reduced dimension signatures are then generated at least a portion of the signatures. The reduced dimension signatures are then compared to reduced dimensions signatures of known works that are stored in a database. A list of candidates of known works is generated from the comparison. The signatures of the unknown works are then compared to the signatures of the known works in the list of candidates. The unknown work is then identified as the known work having signatures matching within a threshold.
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