… desirable characteristics of digital audio watermarks. Previous work on audio watermarking,
… , we propose a complete audio watermark embedding and detection system for copyright …

… In this section we provide an adaptive content-based digital audio watermarking technique
to … the audio signal is performed before actual watermark detection, DIGITAL ATERMARKING …

… We discuss the detection of the watermark and assess the robustness of our watermarking
… Since the spectral content of the audio signal changes pith time, watermarks added to …

… 1 is also termed as watermark detection in many existing works. While … extraction of the
watermarks and declaring the ownership and copyright of the audio files. In this situation, …

… Digital watermark technology is now drawing attention as a new method of protecting digital
content … When designing a watermark detection system, we need to consider the desired …

… Watermark detection is done by calculating the correlation between the watermarked audio
signal and the watermark signal. Armed with the spread spectrum communication theory, this …

… and extract the digital watermark into and from digital compressed audio. The watermark is
… We use our watermarking extracting to detect the watermark from the recompressed audio. …

… We introduce two watermarking algorithms: our first approach is a content-fragile wa… to
detect each bit change and reconstruct the original audio, where we combine digital signature …

… If the original document is not needed for the watermark detection process, the watermarking
scheme is classified as blind; if the original is required, it is considered non-blind. The …

… copyright protection to digital contents, such as audio, image and video. Digital representation
of copy… Section 4 covers watermark detection, and our conclusions are given in Section 5. …