US Patent 8130811 Assessing quality of service using digital watermark information
Patent 8130811 was granted and assigned to Digimarc on March, 2012 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. Several other features and arrangements are also detailed.
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Patent Inventor Names
Hugh L. Brunk0
Jun Tian0
Kenneth L. Levy0
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US Patent 08130811 Assessing quality of service using digital watermark information US Patent 8130811 Assessing quality of service using digital watermark information
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Patent Number
08130811
Patent Number
8130811
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US Patent 08130811 Assessing quality of service using digital watermark information
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Is a
Current assignee
Patent jurisdiction
Patent number
08130811
Date of patent
March 6, 2012
Patent application number
12692470
Date Filed
January 22, 2010
Patent primary examiner
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