| 基于线性预测的语音水印检测系统设计 |
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| 引用本文： | 邓宗元.基于线性预测的语音水印检测系统设计[J].华北水利水电学院学报,2006,27(3):30-33. |
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| 作者姓名： | 邓宗元 |
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| 作者单位： | 南京邮电大学信号与信息处理研究所,江苏南京210003 |
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| 摘 要： | 通过大量实验,在基于极性翻转的语音水印嵌入的基础上,分析了基于线性预测的水印检测算法的可行性和准确率,并设计出自动水印盲检测软件,提出了一阶后滤波的改进方案,使得系统对纯净语音的提取准确率接近100%,具有一定的实用性.且该水印检测系统相对于非盲检测在抗噪方面具有明显的优越性.
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| 关 键 词： | 信息隐藏 水印检测 线性预测 语音激励脉冲的极性 |
| 文章编号： | 1002-5634（2006）03-0030-04 |
| 收稿时间： | 2006-02-20 |
| 修稿时间： | 2006-04-13 |
Design of Watermarking Detecting System for Digital Audio Products Based on LPC |
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| DENG Zong-yuan.Design of Watermarking Detecting System for Digital Audio Products Based on LPC[J].Journal of North China Institute of Water Conservancy and Hydroelectric Power,2006,27(3):30-33. |
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| Authors: | DENG Zong-yuan |
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| Affiliation: | Institute of Signal and Information Processing, Nanjing University of Posts and Telecommunications, Nanjing 210003, China |
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| Abstract: | The feasibility and veracity of the algorithm for restoring the embedded hidden bits based on the LPC(Linear Predictive Coding) are analyzed.The software for automatically detecting the watermarking is designed.Then a new modified algorithm to make the accuracy up to nearly 100% based on lots of experiments is proposed.Finally,various experiments are done to prove the robustness of algorithm and a conclusion is made that this system has a better anti-noise performance than non-blind detecting system. |
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| Keywords: | information hiding watermarks detection LPC(Linear Predictive Coding) polarity of speech pulse |
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