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Author:

全笑梅 (全笑梅.) | 张鸿宾 (张鸿宾.)

Indexed by:

CQVIP PKU CSCD

Abstract:

现有的统计音频水印算法对不可感知性缺乏保证.本文根据宿主音频信号的感知和统计特性,提出一种统计音频水印算法.该算法利用自适应小波包分解对宿主音频信号进行听觉感知特性分析,在小波包域内直接计算掩蔽阈值,并用其控制水印的嵌入强度.该算法采用统计方法自适应地在听觉感知重要的有调成份上嵌入水印,保证了水印的不可感知性和鲁棒性.水印检测错误率分析和实验结果表明本文算法能保证音频感知质量并能抵抗各种攻击.

Keyword:

小波包分解 心理声学模型 数字音频水印

Author Community:

  • [ 1 ] [全笑梅]北京工业大学
  • [ 2 ] [张鸿宾]北京工业大学

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Source :

电子学报

ISSN: 0372-2112

Year: 2007

Issue: 4

Volume: 35

Page: 673-678

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 35

Chinese Cited Count:

30 Days PV: 6

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