Analisi Digital Audio Watermarking Menggunakan Metode Discrete Wavelet Transform (DWT)
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Institusion
Universitas Sumatera Utara
Author
Nababan, Alexandro (STUDENT ID : 071401050)
(LECTURER ID : 0027017403)
(LECTURER ID : 0023078303)
(LECTURER ID : 0027017403)
(LECTURER ID : 0023078303)
Subject
watermarking
Datestamp
2022-12-14 06:46:39
Abstract :
Watermarking is a way of hiding a secret message by inserted into a media / file, which is intended to protect a copyrighted work against misuse or illegal use (piracy). The development of watermarking has been very rapid, marked by a variety of watermarking methods, one method of Discrete Wavelet Transform (DWT) which is the development of wavelet series. In this method, the audio files will be digitized first and sampling will be conducted on an audio file and then undergo a process of decomposition for each matrix with Haar filters after conversion into hexadecimal form, and then through the process of reconstruction to filter low pass filter and high pass filters. Until finally the insertion of a message. After in-watermarking audio files will be a variety of testing, one of them by testing the SNR (Signal to Noise Ratio) to see how big the influence of noise on the final file was watermarking. Also conducted tests to determine the level of the respondents imperceptibility by means of human senses to various audio files that were watermarking..
Watermarking is a way of hiding a secret message by inserted into a media / file, which is intended to protect a copyrighted work against misuse or illegal use (piracy). The development of watermarking has been very rapid, marked by a variety of watermarking methods, one method of Discrete Wavelet Transform (DWT) which is the development of wavelet series. In this method, the audio files will be digitized first and sampling will be conducted on an audio file and then undergo a process of decomposition for each matrix with Haar filters after conversion into hexadecimal form, and then through the process of reconstruction to filter low pass filter and high pass filters. Until finally the insertion of a message. After in-watermarking audio files will be a variety of testing, one of them by testing the SNR (Signal to Noise Ratio) to see how big the influence of noise on the final file was watermarking. Also conducted tests to determine the level of the respondents imperceptibility by means of human senses to various audio files that were watermarking..
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