Abstract
In this paper, a proposed method for hiding secret data in audio file (.WAV) is introduced. Genetic algorithm has been hybridized with conjugate gradient algorithm which is one of the methods for solving nonlinear unconstrained minimization problem, the hybrid genetic algorithm is used to determine the optimum positions for Least significant bit (LSB) by substituting the least significant bit of each sampling point with a binary message. Numerical results for the proposed hybrid genetic algorithm on three test function were reported and compared with the results of genetic algorithm, also two measures were used such as BER (Bit Error Rate) and MSE (Mean Square Error) in order to access the performance of the proposed steganography method.
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