Lossless Audio Steganography in Spatial Domain (LASSD)

Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 199)


In our proposed work we put an effort to make the technique of standard Least Significant Bit (LSB) coding more secured to embed secret information within an audio file. The prime focus here is to transmit any secret message using an audio signal which can only be retrieved by the intended recipient, while keeping the original characteristics of the carrier audio signal unaltered. In order to achieve the objective, a hash function has been devised to generate pseudorandom positions for insertion and extraction of the secret data bits. In the process of embedding sample amplitude values are read from the source audio and secret data bits are embedded in each of the sample values sequentially at pseudorandom positions. In the process of extraction the reverse technique is applied. Experimental results, both objective and subjective, reveal enhanced performance in terms of imperceptibility and security of the proposed technique.


Audio Steganography Hash Function HAS MSE SNR PSNR MOS 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  1. 1.Dept. of Computer Science and EngineeringTechno IndiaKolkataIndia
  2. 2.Dept. of Information TechnologyTechno IndiaKolkataIndia
  3. 3.Dept. of Engineering and Technological StudiesUniversity of KalyaniKalyaniIndia

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