语音信号作为一种特殊的信息隐藏载体，在其中进行信息隐藏时必须充分考虑人类的听觉特性。
To hide information in speech signal, which is a special kind of audio signals, one must consider the characteristics of human audio system.
在众多语音信息隐藏算法中，挑选出一种幅度量化的信息嵌入方案，分别在离散余弦和小波变换域上，通过对变换域系数的幅度量化来隐藏信息；
This paper selects the algorithm by quantifying the amplitude of the transform domain coefficient and uses this algorithm in the discrete Fourier domain and the discrete cosine domain.
提出了一种基于小波变换的语音信息隐藏算法，算法在小波变换的高频系数中嵌入密文信息，获得了很好的隐藏效果。
This paper presents an audio hiding algorithm based on DWT. The security information is embedded in the larger coefficients of high frequency range detail signal.
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