S. Hernandez-Garay, R. Vázquez-Medina, L. Niño De Rivera, V. Ponomaryov
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Steganographic communication channel using audio signals
Using MP3 and WAV audio digital signals an algorithm to build a steganographic communication channel is presented. This algorithm is conformed by the insertion and extraction procedures and it use direct sequence spread spectrum (DSSS) to insert confidential (subliminal) information in MP3 and WAV audio digital signals. Evaluation tests were applied to the different steganographic communications channels. According with the obtained results this algorithm can be used to property or exploitation right protection of the audio digital signals.