发明名称 |
METHODS AND APPARATUS TO PERFORM AUDIO WATERMARKING AND WATERMARK DETECTION AND EXTRACTION |
摘要 |
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. |
申请公布号 |
CA2741342(A1) |
申请公布日期 |
2010.04.29 |
申请号 |
CA20092741342 |
申请日期 |
2009.10.22 |
申请人 |
THE NIELSEN COMPANY (US), LLC |
发明人 |
SRINIVASAN, VENUGOPAL;TOPCHY, ALEXANDER PAVLOVICH |
分类号 |
H04H60/37;G11B20/10;H04H20/31;H04H60/58 |
主分类号 |
H04H60/37 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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