Methods and apparatus to perform audio watermarking and watermark detection and extraction

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United States of America Patent

PATENT NO 9667365
SERIAL NO

12464811

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Abstract

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Methods and apparatus to audio watermarking and watermark detection and extracted are described herein. According to an example method, an identifier is encoded in media content when a different identifier has been previously encoded. According to another example method, messages decoded from media content are validated to provide improved decoding accuracy. In another example method, decoded symbols are stored in memory and synchronization symbols are located to detect a message encoded in media content.

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Patent Owner(s)

  • THE NIELSEN COMPANY (US), LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Srinivasan, Venugopal Palm Harbor, US 197 5526
Topchy, Alexander Pavlovich New Port Richey, US 29 994

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