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Digital watermarking - Wikipedia
https://en.wikipedia.org/wiki/Digital_watermarking
Digital watermarking techniques may be classified in several ways. Robustness. A digital watermark is called "fragile" if it fails to be detectable after the slightest modification. Fragile watermarks are commonly used for tamper detection (integrity proof).
GitHub - swesterfeld/audiowmark: Audio Watermarking
https://github.com/swesterfeld/audiowmark
If a watermarked audio signal is played back a little faster or slower than the original speed, watermark detection will fail. This could happen by accident if the digital watermark was converted to an analog signal and back and …
GitHub - itdddjulius/Audio_Watermark: Detect High ...
https://github.com/itdddjulius/Audio_Watermark
Audio_Watermarks. This is a sample project demonstrating the use of audio watermarks for synchronized mobile app & video/second-screen experiences.
Audio Watermark Detection Improvement by Using Noise …
http://www.wseas.us/e-library/conferences/2005corfu/c1/papers/498-531.pdf
Key-Words: - Audio watermarking, watermark detection, noise modelling, turbo codes 1 Introduction Digital watermarking is a process that embeds a perceptually undetectable signature to multimedia content (e.g. images, video and audio sequences). Embedded watermark contains certain information,
Audio Watermark Detection Using Undetermined ICA ...
https://link.springer.com/chapter/10.1007/978-3-642-00599-2_80
Abstract. This paper presents a blind watermark detection scheme for additive watermark embedding model. The proposed estimation-correlation-based watermark detector first estimates the embedded watermark by exploiting non-Gaussian of the real-world audio signal and the mutual independence between the host-signal and the embedded watermark and then …
signal analysis - How audio watermarks are captured ...
https://dsp.stackexchange.com/questions/36640/how-audio-watermarks-are-captured
$\begingroup$ usually by correlating Signal+Watermark with the specific watermark that you're trying to detect. now in this case consider the Watermark to be the "signal" and the Signal to be the "noise". so you'll have a very low S/N ratio. it's why watermarks need a lot of signal with the tiny watermark embedded to be detected. $\endgroup$
(PDF) Audio Watermark Detection Using Undetermined …
https://www.academia.edu/8798724/Audio_Watermark_Detection_Using_Undetermined_ICA
Audio Watermark Detection Using Undetermined ICA. IntroductionOne of the most representative blind watermarking is spread spectrum based scheme which rely on the theory of spread spectrum communication for information embedding and detection. In this scheme, host signal acts as interference at the blind detector and has large energy than a ...
Digital Audio Watermarking Techniques and Technologies
http://www.gbv.de/dms/ilmenau/toc/525106235.PDF
in order to prevent detection of the embedded watermark. Finally, several application areas for digital audio watermarking are presented and advantages of digital watermarking over standard technologies are examined. Chapter II Spread Spectrum for Digital Audio Watermarking I Xing He and Michael Scordilis 11
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