The Adaptive Blind Digital Audio Watermarking Algorithm Based on Audio Features
YANG De-guo;WANG Rong-ping;Department of Mathematics and Information Science,Northwest Normal University;
An adaptive blind audio watermarking algorithm based on audio features has been proposed. The algorithm uses the Logistic binary chaotic sequence of the watermark is encrypted,through the analysis and the shorttime energy zero rate of the audio frame,select the appropriate threshold,is used to determine the embedding frame, and the wavelet transform of the sub audio frames selected after integration,method of simultaneous determination of embedding strength by dynamically adjusting the adaptive energy,average energy calculation of the approximate component of each audio,combining the embedding strength,embedding watermark in the audio frame. Experiments show that,the algorithm has good robustness,has a certain practicality.