Rent 9781615209255 | Signal Processing, Perceptual Coding and Watermarking of Digital Audio : Advanced Technologies ...

Summary Table of Contents

Signal Processing, Perceptual Coding and Watermarking of Digital Audio: Advanced Technologies and Models focuses on watermarking, in which data is marked with hidden ownership information, as a promising solution to copyright protection issues. Compared to embedding watermarks into still images, hiding data in audio is much more challenging due to the extreme sensitivity of the human auditory system to changes in the audio signal. This book focuses on understanding human perception processes and including them in effective psychoacoustic models, as well as synchronization, which is an important component of a successful watermarking system.

Preface	p. vii
Introduction of Human Auditory System and Psychoacoustics	p. 1
Simple Introduction of the Ear	p. 1
Properties of the Human Auditory System	p. 3
The Masking Phenomena	p. 6
Temporal Masking	p. 12
Introduction of Digital Watermarking	p. 14
Motivation and Goals	p. 14
Watermark Applications	p. 15
El... MOREements of a Watermarking System	p. 17
Organization of the Rest of the Book	p. 18
Novel Applications of Digital Watermarking	p. 20
Error Detection, Concealment and Recovery	p. 21
Quality of Service in Multimedia Communications	p. 23
Subjective Signal Quality Measurement	p. 25
Bandwidth Extension	p. 26
Security/Air Traffic Control / Secret Communication	p. 28
Literature Review of Selected Watermarking Schemes	p. 32
LSB Coding	p. 32
Patch Work	p. 33
Quantization Index Modulation	p. 34
Echo Coding/Hiding	p. 37
Phase Coding	p. 41
Fragile Watermarking	p. 43
Spread Spectrum Coding	p. 44
Principles of Spread Spectrum	p. 46
Theory of Spread Spectrum Technology in Communication	p. 46
Spread Spectrum for Audio Watermarking	p. 49
Analysis of Traditional SS Watermarking Systems	p. 51
Problems of Traditional SS Watermarking Systems	p. 54
Survey of Spread Spectrum Based Audio Watermarking Schemes	p. 56
Basic Direct Sequence Spread Spectrum	p. 56
Time Domain Spread Spectrum Watermarking Scheme	p. 57
Spread Spectrum Watermarking with Psychoacoustic Model and 2-D Interleaving Array	p. 59
An Improved Spread Spectrum Method	p. 61
Novel Spread Spectrum Approach	p. 63
Enhanced Spread Spectrum Watermarking for AAC Audio	p. 64
Frequency Hopping Spread Spectrum	p. 65
Limits of Traditional Spread Spectrum Method	p. 66
Techniques for Improved Spread Spectrum Detection	p. 68
Matched Filter Approach	p. 68
Savitzky-Golay Smoothing Filters	p. 70
Cepstrum Filtering	p. 71
Spectral Envelop Filtering	p. 71
The Linear Prediction Method	p. 72
De-Synchronization Attacks and Traditional Solutions	p. 73
A Psychoacoustic Model Based on the Discrete Wavelet Packet Transform	p. 75
Introduction	p. 76
Wavelet Transform Analysis	p. 78
An Improved Wavelet-Based Psychoacoustic Model	p. 79
Experimental Procedures and Results	p. 91
Conclusion	p. 98
A High Quality Audio Coder Using Proposed Psychoacoustic Model	p. 102
Structure of Proposed Perceptual Audio Coder	p. 102
Quantization and Huffman Coding	p. 104
Evaluation of Proposed Audio Coder	p. 110
Conclusion	p. 113
A Novel Spread Spectrum Digital Audio Watermarking Scheme	p. 115
Introduction	p. 115
Watermark Design, Insertion and Detection	p. 119
Experimental Procedures and Results	p. 126
Conclusion	p. 131
Further Improvements of the Watermarking Scheme	p. 134
Diagram of Proposed Enhanced Watermark System	p. 135
Encoder of the Proposed Enhanced Watermark System	p. 136
Decoder of Proposed Enhanced Watermark System	p. 137
Discussion about the Savitzky-Golay Smoothing Filter	p. 140
Evaluation of the Proposed Enhanced Watermark System	p. 145
More Watermarking Systems Comparison	p. 148
Conclusion	p. 150
A Fast and Precise Synchronization Method for Digital Audio Watermarking	p. 152
Introduction	p. 152
The Synchronization Problem in Watermarking and Traditional Solutions	p. 153
A Fast and Efficient Synchronization Method	p. 159
Experimental Results	p. 164
Conclusion	p. 173
Conclusion and Future Trends	p. 177
Conclusion of the Book	p. 177
Future Trends	p. 179
Compilation of References	p. 182
About the Author	p. 188
Index	p. 189
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