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Information Security for Automatic Speaker Identification : SpringerBriefs in Speech Technology - Fathi E. Abd El-Samie

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Information Security for Automatic Speaker Identification

By: Fathi E. Abd El-Samie

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Paperback | 12 June 2011

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138 Pages

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23.39 x 15.6 x 0.76

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The author covers the fundamentals of both information and communication security including current developments in some of the most critical areas of automatic speech recognition. Included are topics on speech watermarking, speech encryption, steganography, multilevel security systems comprising speaker identification, real transmission of watermarked or encrypted speech signals, and more. The book is especially useful for information security specialist, government security analysts, speech development professionals, and for individuals involved in the study and research of speech recognition at advanced levels.

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Non-Fiction Computing & I.T.Computer Science Audio Processing Artificial Intelligence Speech Recognition Computer Security Data Encryption Engineering & Technology Other Technologies & Applied Sciences Applied Optics Imaging Systems & Technology

Information Security for Automatic Speaker Identification	p. 1
Introduction	p. 2
Speaker Identification	p. 3
Feature Extraction	p. 5
Feature Matching	p. 9
Feature Extraction from Discrete Transforms	p. 10
The Discrete Wavelet Transform	p. 11
The DCT	p. 14
The DST	p. 14
Speaker Identification with Discrete Transforms	p. 14
Speech Enhancement	p. 16
Speech Quality Metrics	p. 16
Spectral Subtraction	p. 18
Wiener Filter	p. 21
The Adaptive Wiener Filter	p. 23
Wavelet Denoising	p. 25
Blind Signal Separation	p. 28
Deconvolution of Speech Signals	p. 36
LMMSE Deconvolution	p. 36
Inverse Filter Deconvolution	p. 46
Regularized Deconvolution	p. 47
Comparison Study	p. 49
Speech Watermarking	p. 52
Singular Value Decomposition	p. 56
The SVD Speech Watermarking Algorithm	p. 57
Chaotic Encryption	p. 58
The Segment-by-Segment SVD Speech Watermarking Algorithm	p. 59
Evaluation of SVD Speech Watermarking	p. 61
Speech Encryption	p. 78
Framing and Reshaping into 2D Blocks	p. 91
Block Randomization	p. 91
Steps of the Rounds	p. 92
Masking	p. 92
Discrete Transforms	p. 93
Performance Evaluation of Speech Encryption	p. 94
Simultaneous Watermarking and Encryption	p. 112
Conclusion	p. 112
Directions for Future Research	p. 117
References	p. 118
Table of Contents provided by Ingram. All Rights Reserved.

Information Security for Automatic Speaker Identification

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