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《Journal of Changzhou Institute of Technology》 2008-04
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Speech Steganography with Human Auditory System in DCT

HE Song(School of Computer & Information Engineering,Changzhou Institute of Technology,Changzhou 213002)  
According to human auditory masking effect,a novel algorithm for information hiding in DCT domain is designed and implemented in this paper.Choosing the frequency from 14 to 16 Bark as the embedding positions which is below the masking threshold,this paper changes the DCT coefficient with the certain strength of the embedded which is determined by the statistic of the DCT coefficient.With the choice of the speech signal as the carry signal,the experiment results show the speech,which is embedded with secret information,is similar with the original signal.It can be pick-up the secret information well under no attacks and also strongly robust to filter,to add noise and so on.
【CateGory Index】: TP391.42
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