The watermark is embedded into the audio signal by modifying some of its coefficients in DWT domain. The selection of the coefficients is based on the time domain masking of human auditory system(HAS).
对音频载体和水印图像分别进行了离散小波变换和离散余弦变换,根据人类听觉系统的时域掩蔽效应选择嵌入点,在小波系数中的对应位置嵌入水印信号。
参考来源 - 一种基于DWT的自适应大容量音频水印算法·2,447,543篇论文数据，部分数据来源于NoteExpress
应用推荐