发明名称 |
Encoding and detecting apparatus |
摘要 |
An encoding data processing apparatus generates a marked version of an audio signal. The marked copy is generated by embedding data representative of a payload data word into the audio signal. A code word generator that generates a water mark code word from the payload data word and reads data representing the water mark code word into a shuffle data store. A shuffle processor that generates pseudo randomly at least one address within an address space of the shuffle data store for each predetermined period and reads data representing the water mark code word out from the data store at locations identified by the randomly generated address. A data embedding processor that receives the audio signal and embeds the data representing the water mark code word read out from the shuffle data store into the audio signal for each predetermined period.
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申请公布号 |
US8315877(B2) |
申请公布日期 |
2012.11.20 |
申请号 |
US20080274836 |
申请日期 |
2008.11.20 |
申请人 |
KEATING STEPHEN MARK;HOOPER DANIEL LUKE;RUSSELL MARK JULIAN;SONY CORPORATION |
发明人 |
KEATING STEPHEN MARK;HOOPER DANIEL LUKE;RUSSELL MARK JULIAN |
分类号 |
G10L21/00;G10L19/00;G10L19/008;G10L19/018 |
主分类号 |
G10L21/00 |
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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