Abstract
Abstract—Watermarking has become important in the last decade because of the copyright protection applications. Embedding information into an audio file is more difficult as compared to images because human auditory system is more sensitive than human visual system. Therefore, the proposed watermarking algorithms for digital audio have been less than those for digital image and video. This paper presents a digital audio watermarking scheme based on spread spectrum technique to embed the watermark. This method does not need the original audio carrier signal when extracting watermark using the blind extraction audio watermark. The experimental results demonstrate that the embedding technique is not only less audible but also more robust against the common signal processing attacks like low-pass filter, adding white Gaussian noise, shearing, and compression.
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