发明名称 |
METHODS AND APPARATUS FOR EMBEDDING CODES IN COMPRESSED AUDIO DATA STREAMS |
摘要 |
<p>Methods and apparatus for embedding codes in compressed audio data streams are disclosed. An example method to embed a code in a compressed audio data stream disclosed herein comprises obtaining a plurality of transform coefficients comprising the compressed audio data stream, wherein the plurality of transform coefficients is represented by a respective plurality of mantissas and a respective plurality of scale factors, and modifying a mantissa in the plurality of mantissas and a corresponding scale factor in the plurality of scale factors to embed the code in the compressed audio data stream.</p> |
申请公布号 |
EP2095560(A2) |
申请公布日期 |
2009.09.02 |
申请号 |
EP20070844106 |
申请日期 |
2007.10.10 |
申请人 |
THE NIELSEN COMPANY (US), LLC. |
发明人 |
SRINIVASAN, VENUGOPAL |
分类号 |
H04L9/00;G10L19/018;G10L19/02;G10L19/035 |
主分类号 |
H04L9/00 |
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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