07661121 is referenced by 76 patents and cites 53 patents.

A method and apparatus for recognizing and synchronizing to in-band data at a multimedia device is provided. A content stream includes in-band data. The in-band data is processed and in-band data pattern data associated with the content stream are created. Metadata are attached to the event identification data. The event identification data are provided to multimedia devices which receive broadcasted multimedia content streams containing video programs with in-band data. The in-band data are processed and compared to the event identification data. If a match occurs, the multimedia device uses the metadata to perform specified actions.

Title
In-band data recognition and synchronization system
Application Number
11/473543
Publication Number
7661121 (B2)
Application Date
June 22, 2006
Publication Date
February 9, 2010
Inventor
James M Barton
Alviso
CA, US
Adam Feder
Mountain View
CA, US
Paul Stevens
Felton
CA, US
Kevin P Smith
Mountain View
CA, US
Agent
Hickman Palermo Truong & Becker
Assignee
Tivo
CA, US
IPC
G06K 9/00
G06F 17/30
G06F 7/00
H04N 7/16
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