US Patent 7656930 Assessing quality of service using digital watermark information
Patent 7656930 was granted and assigned to Digimarc on February, 2010 by the United States Patent and Trademark Office.
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Patent abstract
The disclosure details methods of measuring the quality of service of received media signals by analyzing digital watermarks embedded in such signals. The quality of a received video or audio signal can thereby be assessed without having the original version of the signal before transmission. Instead, the strength or quality of the embedded digital watermark is analyzed to determine the quality of the received signal. The degradation of a watermark signal is used to assess quality of service of signals, such as audio and video.
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US Patent 07656930 Assessing quality of service using digital watermark information US Patent 7656930 Assessing quality of service using digital watermark information
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Patent Number
0765693000
Patent Number
765693000
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
076569300
Date of Patent
February 2, 2010
0Patent Application Number
118661450
Date Filed
October 2, 2007
0Official Website
Patent Primary Examiner
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
076569300
Date of Patent
February 2, 2010
0Patent Application Number
118661450
Date Filed
October 2, 2007
0Official Website
Patent Primary Examiner
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US Patent 07656930 Assessing quality of service using digital watermark information
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07656930
Date of patent
February 2, 2010
Patent application number
11866145
Date Filed
October 2, 2007
Patent primary examiner
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