Speech Steganography using DWT and FFT

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Valiki Vijayabhaser, Shirisha Munasa D, Srinivas Gadari

Abstract

Steganography is art of hiding information into a cover object that can be an image, video or audio. Speech steganography is a process of hiding message data into a cover speech without degrading the quality of cover speech. In this, a novel user interface for spread spectrum representation-based speech steganography using decimated wavelet transform (DWT), which is an extension for Fast fourier transform (FFT) based steganography.Simulation results proved that the proposed algorithm is superior to the conventional algorithms. Also performed good enough simulations with low bit error rate and excellent imperceptibility.

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