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watermark_paper

于 2020-12-06 发布 文件大小:175KB
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代码说明:

  首先将二值水印图像经过降维操作转化为一维序列,再将一维序列与m 序列做扩频 调制,最后对音频信号进行分段离散余弦变换,把经过调制的水印信号经过量化处理过程嵌入到离 散余弦变换后的系数中 提取水印时对含水印信号的音频信号也进行分段离散余弦变换,然后利用 原始音频信号提取水印. 实验证明了该技术的鲁棒性和不可感知性.

文件列表:

一种基于DCT的扩频音频数字水印技术.pdf,188994,2008-04-06

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