US6785815B1 - Methods and systems for encoding and protecting data using digital signature
and watermarking techniques - Google Patents US6785815B1 - Methods and systems for …

Methods and apparatus for embedding digital watermarks into a digital host content are
provided. A digital host content is received, eg, at a receiver or other device incorporating a …

Methods for adapting the operation of a system in response to the detection of embedded
Watermarks from a digital host content are provided. A digital host content is received and …

H04N 60/29(2006.01) HO) 4N 7/173 (2006.01) sions of media content (Such as audio and
audiovisual con H04N 7/6(2006.01) tent) in order to obtain independent and objective data …

Methods, devices, systems and computer program products facilitate accessing metadata
associated with a primary audio Visual content. Upon reception of a primary content, one or …

This application is a continuation-in-part of application Ser. No. 08/858,562, filed May 19,
1997, now US Pat. No. 5,940,135, and assigned to the same assignee as the present …

5,754,673 A* 5/1998 Brooks et al............... 382/112 5,768,426 A 6/1998 Rhoads.......................
282/232 5,774,452 A 6/1998 Wolosewicz 5,809,139 A 9/1998 Girod et al. 5,828,325 A …

Methods, devices, and computer program products facilitate the application of a content use
policy based on watermarks that are embedded in a content. Watermark extraction and …

Methods, apparatus, and systems for signal continuity assess ment using embedded
watermarks are provided. The embed ded watermarks are recovered from the content and …

Methods, devices and computer program products allow improved synchronization among
multiple contents. One disclosed method includes receiving a first and a second content and …