scholarly journals Data hiding in audio signal using Rational Dither Modulation

2008 ◽  
Vol 5 (7) ◽  
pp. 217-222 ◽  
Author(s):  
Jose Juan Garcia-Hernandez ◽  
Mariko Nakano-Miyatake ◽  
Hector Perez-Meana
Keyword(s):  
Data Hiding ◽  
Audio Signal ◽  
Dither Modulation ◽  
Rational Dither Modulation

Rational dither modulation: a high-rate data-hiding method invariant to gain attacks

2005 ◽  
Vol 53 (10) ◽  
pp. 3960-3975 ◽  
Author(s):  
F. Perez-Gonzalez ◽  
C. Mosquera ◽  
M. Barni ◽  
A. Abrardo
Keyword(s):  
Data Hiding ◽  
High Rate ◽  
Rate Data ◽  
Dither Modulation ◽  
Rational Dither Modulation

Data Hiding for Stereo Audio Signals

2013 ◽  
pp. 104-128
Author(s):  
Kazuhiro Kondo
Keyword(s):  
Data Hiding ◽  
Audio Signal ◽  
Audio Coding ◽  
Original Signal ◽  
Audio Signals ◽  
Audio Quality ◽  
Input Source ◽  
Rate Conversion ◽  
Fixed Delay

This chapter proposes two data-hiding algorithms for stereo audio signals. The first algorithm embeds data into a stereo audio signal by adding data-dependent mutual delays to the host stereo audio signal. The second algorithm adds fixed delay echoes with polarities that are data dependent and amplitudes that are adjusted such that the interchannel correlation matches the original signal. The robustness and the quality of the data-embedded audio will be given and compared for both algorithms. Both algorithms were shown to be fairly robust against common distortions, such as added noise, audio coding, and sample rate conversion. The embedded audio quality was shown to be “fair” to “good” for the first algorithm and “good” to “excellent” for the second algorithm, depending on the input source.

Digital Audio Watermarking Based on QR Decomposition and Dither-Modulation Quantization

2015 ◽  
Vol 713-715 ◽  
pp. 1675-1681
Author(s):  
Lei Shi ◽  
Bai Long Yang ◽  
Peng Hui Wu
Keyword(s):  
Audio Signal ◽  
Qr Decomposition ◽  
Digital Audio ◽  
Test Results ◽  
Arnold Transform ◽  
Robust Test ◽  
Digital Audio Watermarking ◽  
Dither Modulation ◽  
Dct Coefficients ◽  
Good Transparency

An audio digital watermarking algorithm based on QR decomposition and dither-modulation quantization is proposed. Arnold transform is utilized to scramble watermarking image in order to improve the security of the algorithm. Then chaotic sequence encrypts the watermarking which was folded before. DCT coefficients of the original audio signal are selected to embed the encrypted watermarking after QR decomposition. Dither-modulation quantization changes the largest R component values of the QR decomposition. Imperceptibility, security and robust test results show that the present method is more robust, and possesses good transparency and high security compared with the scheme based on SVD and dither-modulation quantization.

A method of data hiding in audio signal

2012 ◽  
Vol 35 (5) ◽  
pp. 523-528 ◽  
Author(s):  
Debnath Bhattacharyya ◽  
Tai-hoon Kim ◽  
Poulami Dutta
Keyword(s):  
Data Hiding ◽  
Audio Signal

An Audio Watermarking Algorithm Based on Chaos

2012 ◽  
Vol 532-533 ◽  
pp. 1764-1769
Author(s):  
Hong Bin Tang ◽  
Ben Bin Liang
Keyword(s):  
Data Hiding ◽  
Chaos Theory ◽  
Audio Signal ◽  
Experimental Results ◽  
Audio Watermarking ◽  
Wavelet Coefficients ◽  
Chaotic Sequences ◽  
Low Pass ◽  
Audio Data ◽  
Mp3 Compression

This thesis proposes a new algorithm of the Chaos-based audio data hiding. The Chaos theory is introduced in design a new algorithm of the audio data hiding: with one section of audio as the watermarking, the Chaotic sequences select one part of the original audio signal as the carrier, and then embed the Chaos-encrypted audio watermarking into the carrier’s wavelet coefficients. Experimental results show that embedded watermark is imperceptibility and robust to many attacks, such as noise adding, re-sampling, low pass filtering, reverberation, MP3 compression and re-quantization and so on.

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