A Modified Approch Audio Stagnography Based On Technique LSB Coding |
( Volume 2 Issue 5,May 2015 ) OPEN ACCESS |
Author(s): |
Surekha Shrivastava , Mr. Gajendra Singh chandel, Mr. Kaislash Patidar |
Abstract: |
Information security is becoming very important part of our life now-a-days. Information hiding is the fundamental of information security. Information hiding can be achieved by steganography as well. This paper presents a modified method of audio stegnography. Audio steganography is the technique of hiding secret information in the audio files. We have presented a high capacity and high stego-signal quality audio steganography scheme based on samples comparison in DWT domain where selected coefficient of a segment are compared with pre determined threshold value T and based on comparison bits are embedded. The strength of our algorithm is depend on the segment size and their strength are enabled the algorithm to achieve very high embedding capacity for different data type that can reach up to 25% from the input audio file size with lest of 35 dB SNR for the output stego signal. Further we have tabulated the result and the conclusion is made on the basis of the obtained results. |
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