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Copyright Protection of Audio Signal Using Digital Text Watermark | ||
| Iraqi Journal of Information Technology | ||
| Article 1, Volume 6, Issue 2, 2014, Pages 68-76 | ||
| Author | ||
| Rawsam Abduladheem Hasan | ||
| Abstract | ||
| Over the last few years, audio watermarking has become an issue of significant interest. This is primarily motivated by a need to provide copyright protection to digital audio content. Digital watermarking is a technique to embed copyright or other information into the underlying data. So, this research introduces an audio watermarking algorithm that embeds a text watermark bit in the audio signal; the algorithm is applied to a stereo audio signal of 8 & 16-bits per sample. The noise that results from the embedding process has been manipulated by compensating the difference with others bits of the sample. The metrics (MSE & PSNR) are considered to test the quality of the watermarked signals and to measure the amount of noise due to the hiding process. | ||
| Keywords | ||
| Audio watermarking; Least Significant Bit; watermark; Peak Signal to Noise Ratio; Mean Square Error | ||
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