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Watermarking in WAV Files Bases on Phase Coding | ||
| Engineering and Technology Journal | ||
| Article 1, Volume 29, Issue 4, 2011, Pages 770-780 PDF (258.62 K) | ||
| DOI: 10.30684/ etj.29.4.11 | ||
| Authors | ||
| Salah S. Alrawi; Rasheed Abdulshaheed; Akeel A. Alhadithy | ||
| Abstract | ||
| The growth of the network multimedia open the illegal ways for users to use the digital media without any hindrance or control. This state created, the need for the copyright protection of various digital media. WAV audio files is one of these media, these media file format itself has no built in copy protection controls. Other systems must be used to prevent illegal copying called watermarking. In this paper, we used the phase coding method to embed the watermark, by using FFT method in two ways. The first way used the block size of the wave data equal to (22) and the second way used the block size of the wave data equal to (23). The results of the above two ways shows that, when we use the first way the noise of the sound will be very smaller than the results of the second way. On the other hand the length of the watermark in second way will be longer than when use the first way. Finally, we can say that the two ways yield good results. | ||
| Keywords | ||
| Digital watermarking; Phase coding; Steganography; FFT; WAV Files | ||
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