000			04189cam a22003494a 4500
999			_c4936 _d4936
001			13480017
003			OSt
005			20191223165630.0
008			040204s2004 njua b 001 0 eng
010			_a 2004044054
020			_a0471453463
040			_aDLC _cDLC _dDLC
042			_apcc
050	0	0	_aTK5102.98 _b.H36 2004
082	0	0	_a621.382 24 HAN S _223
100	1		_aHänsler, E. _q(Eberhard)
245	1	0	_aAcoustic echo and noise control : _ba practical approach / _cEberhard Haensler, Gerhard Schmidt.
260			_aHoboken, N.J. : _bWiley-Interscience, _cc2004.
300			_axxvi, 444 p. : _bill. ; _c25 cm.
440		0	_aAdaptive and learning systems for signal processing, communications, and control
504			_aIncludes bibliographical references (p. 423-440) and index.
505			_aList of Figures.List of Tables.Preface.Acknowledgments.Abbreviations and Acronyms.Part I: Basics.1 Introduction.1.1 Some History.1.2 Overview of the Book.2 Acoustic Echo and Noise Control Systems.2.1 Notation.2.2 Applications.3 Fundamentals.3.1 Signals.3.2 Acoustic Echoes.3.3 Standards.Part II: Algorithms.4 Error Criteria and Cost Functions.4.1 Error Criteria for Adaptive Filters.4.2 Error Criteria for Filter Design.4.3 Error Criteria for Speech Processing and Control Purposes.5 Wiener Filter.5.1 Time-Domain Solution.5.2 Frequency-Domain Solution.6 Linear Prediction.6.1 Normal Equations.6.2 Levinson{Durbin Recursion.7 Algorithms for Adaptive Filters.7.1 The Normalized Least Mean Square Algorithm.7.2 The Affine Projection Algorithm.7.3 The Recursive Least Squares Algorithm.7.4 The Kalman Algorithm.Part III: Acoustic Echo and Noise Control.8 Traditional Methods for Stabilization of Electroacoustic Loops.8.1 Adaptive Line Enhancement.8.2 Frequency Shift.8.3 Controlled Attenuation.9 Echo Cancellation.9.1 Processing Structures.9.2 Stereophonic and Multichannel Echo Cancellation.10 Residual Echo and Noise Suppression.10.1 Basics.10.2 Suppression of Residual Echoes.10.3 Suppression of Background Noise.10.4 Combining Background Noise and Residual Echo Suppression.11 Beamforming.11.1 Basics.11.2 Characteristics of Microphone Arrays.11.3 Fixed Beamforming.11.4 Adaptive Beamforming.Part IV: Control and Implementation Issues.12 System Control-Basic Aspects.12.1 Convergence versus Divergence Speed.12.2 System Levels for Control Design.13 Control of Echo Cancellation Systems.13.1 Pseudooptimal Control Parameters for the NLMS Algorithm.13.2 Pseudooptimal Control Parameters for the Affine Projection Algorithm.13.3 Summary of Pseudooptimal Control Parameters.13.4 Detection and Estimation Methods.13.5 Detector Overview and Combined Control Methods.14 Control of Noise and Echo Suppression Systems.14.1 Estimation of Spectral Power Density of Background Noise.14.2 Musical Noise.14.3 Control of Filter Characteristics.15 Control for Beamforming.15.1 Practical Problems.15.2 Stepsize Control.16 Implementation Issues.16.1 Quantization Errors.16.2 Number Representation Errors.16.3 Arithmetical Errors.16.4 Fixed Point versus Floating Point.16.5 Quantization of Filter Taps.Part V: Outlook and Appendixes.17 Outlook.Appendix A: Subband Impulse Responses.A.1 Consequences for Subband Echo Cancellation.A.2 Transformation.A.3 Concluding Remarks.Appendix B: Filterbank Design.B.1 Conditions for Approximately Perfect Reconstruction.B.2 Filter Design Using a Product Approach.B.3 Design of Prototype Lowpass Filters.B.4 Analysis of Prototype Filters and the Filterbank System.References.Index.
650		0	_aEcho suppression (Telecommunication)
650		0	_aAcoustical engineering.
700	1		_aSchmidt, Gerhard.
856	4	1	_3Table of contents _uhttp://www.loc.gov/catdir/toc/wiley041/2004044054.html
856	4	2	_3Contributor biographical information _uhttp://www.loc.gov/catdir/bios/wiley047/2004044054.html
856	4	2	_3Publisher description _uhttp://www.loc.gov/catdir/description/wiley041/2004044054.html
906			_a7 _bcbc _corignew _d1 _eocip _f20 _gy-gencatlg
942			_2ddc _cSTS