Abstract

One of the most popular audio file formats suitable for hiding information is Windows Audio-Visual (WAV).The two main areas of modification in a WAV file for data embedding are the storage environment and digital representation of the signal that will be used.In order to conceal secret messages successfully, a variety of methods for embedding information.The proposed system consists of four steps of steganography techniques; encoding, embedding, extraction and decoding.The trend of the test results from the 10 audio tested, showing a decrease in the PSNR value along with the increase in the size of the embedded message.This is in accordance with the theory that the greater the embedded information, the smaller the PSNR generated the steganography system using the phase coding method with the addition of stream cipher encryption has been successfully implemented.The system works well, as indicated by the success of the embedding and extraction tests, as well as the test results from BER.The PSNR test itself gets good results when the size of the embedded message is not more than 45% of the cover size.

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