An Adaptive Information Hiding Algorithm of Digital Speech Signals Based on Fractal Dimension
Chen Li · Wuhan University Journal · 2003
An information hiding algorithm based on fractal dimension is proposed in this paper. The secret data is embedded into the Discrete Fourier coefficients of digital speech signals. It can be applied to unobtrusive communication. The embedding positions and amounts of the secret data are determined by HAS(Human Audio System) features and fractal dimensions of speech segments. Detection and extraction of the secret data can be implemented without original speech signals. The implementation results demonstrate the better steganographic capability of this algorithm.