Comparison of data signals using characteristic electronic...

Details Comparison of data signals using characteristic electronic... Comparison of data signals using characteristic electronic...

2008-07-31

2010-12-14

Kundu, Sujoy K (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system

Measured signal processing

C702S189000, C341S155000, C704S205000, C704S222000, C704S229000

Reexamination Certificate

active

07853438

ABSTRACT:
A characteristic thumbprint is extracted from a data signal, the thumbprint based on statistics relating to the data signal. The data signal can be compared indirectly by matching this thumbprint against one or more reference thumbprints. The data signal may be any type of signal, including streaming digitized audio or obtained from static files. A database may contain a number of these characteristic thumbprints, and the database can be searched for a particular thumbprint.

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