Studying Audio Capacity as Carrier of Secret Images in Steganographic System

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Ahlam Majead Kadhim
Huda Muhamed Jawad

Abstract

Steganography art is a technique for hiding information where the unsuspicious cover signal carrying the secret information. Good steganography technique must be includes the important criterions robustness, security, imperceptibility and capacity. The improving each one of these criterions is affects on the others, because of these criterions are overlapped each other.  In this work, a good high capacity audio steganography safely method has been proposed based on LSB random replacing of encrypted cover with encrypted message bits at random positions. The research also included a capacity studying for the audio file, speech or music, by safely manner to carrying secret images, so it is difficult for unauthorized persons to suspect presence of hidden image. Measures calculations of SNR, SNR segmental, SNR spectral, MSE and correlation show that, audio music cover file (2channales) is the safest uses as arrier with replace the 9 number of LSB without noticeable noise. Bits of secret message can be hiding capacity reach up to 28 % of the total music cover audio size and the three type's measures of SNR are 32, 28 and 31 dB. For speech cover audio the replacing LSB is safely uses at LSB bits number 6, where the hiding capacity is reach up to 37 % of size speech cover audio at 37, 36 and 39 dB for three type's measures of SNR. Correlation of cover samples was did not effected as a result of hiding secret image, where its value is up to 0.99 for all hiding operations.

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1.
Studying Audio Capacity as Carrier of Secret Images in Steganographic System. IJP [Internet]. 2021 Jun. 1 [cited 2024 Mar. 29];19(49):53-61. Available from: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/648
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How to Cite

1.
Studying Audio Capacity as Carrier of Secret Images in Steganographic System. IJP [Internet]. 2021 Jun. 1 [cited 2024 Mar. 29];19(49):53-61. Available from: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/648

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