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The demand for keeping the information secure and confidential simultaneouslyhas been progressively increasing. Among various techniques- AudioSteganography, a technique of embedding information transparently in a digitalmedia thereby restricting the access to such information has been prominentlydeveloped. Imperceptibility, robustness, and payload or hiding capacity are themain character for it. In earlier, LSB techniques increased payload capacitywould hamper robustness as well as imperceptibility of the cover media and viceversa. The proposed technique overcomes the problem. It provides relativelygood improvement in the payload capacity by dividing the bytes of cover mediainto ranges to hide the bits of secret message appropriately. As well as due tothe use of ranges of bytes the robustness of cover media has maintained andimperceptibility preserved by using a pyramid structure.

Audio Steganography: LSB Technique Using a Pyramid Structure and Range of Bytes