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Audio watermarking - SlideShare
https://www.slideshare.net/likanpatra/audio-watermarking
Audio Watermarking Under the guidance of Dr. Saroj Kumar Meher Presented by Suresh Chandra Martha EC200118335 ... such as FFT, DCT, and DWT, etc, to the data block of the audio signal, and hides the watermark information Into the transformed data block. ... Data hiding in audio signals ppt
Digital watermarking - SlideShare
https://www.slideshare.net/ankushkr007/digital-watermarking-15450118
• The main goal of watermarking is to hide a message m in some audio or video (cover) data d, to obtain new data d', practically indistinguishable from d, by people, in such a way that an eavesdropper cannot remove or replace m in d'. 5 6.
Audio Watermarking | Telecommunications Engineering ...
https://www.scribd.com/presentation/22599139/Audio-Watermarking
Description: A technique called digital watermarking is introduced to protect the ownership of digital data. It hides information in an audio file without the information being audible to the listener. Spectral watermarking hides watermarks directly into …
Audio Watermarking Techniques - Columbia University
https://www.ee.columbia.edu/~ywang/MSS/Project/Audio%20Watermarking%20Techniques.ppt
Audio watermarks are special signals embedded into digital audio They can be extracted by detection mechanisms and decoded They are used to track, authenticate and prevent illegal distribution and manipulation of copyright digital audio Audio watermarking schemes rely on imperfections of the human auditory system However, human ear is a very ...
A Robust MP3 Compression-Resistant Audio Watermarking ...
https://journal-home.s3.ap-northeast-2.amazonaws.com/site/2021f/presentation/1570771797.pdf
First, the watermark is flattened to a one-dimensional (1-D) shape. By using equation 1, DWT is applied to one of the audio host. The DWT technique can be applied many times until the required level is reached. Thereafter, select the desired sub-band for …
Improved Audio Watermarking Using DWT-SVD - IJSER
https://www.ijser.org/researchpaper/Improved_Audio_Watermarking_Using_DWT-SVD.pdf
Step 5: Embed the watermark audio bits into the DWT-SVD-transformed original audio signal according to the formula S em= S + k * S w. . . . . .(3) Where S = singular matrix of original audio signal S w = singular matrix of watermark audio signal S em = singular matrix of watermarked audio signal Step 6: Produce the final watermarked audio signal as follows:
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