Acoustic Echo and Noise Control: A Practical Approach / Edition 1

Hardcover (Print)
Buy New
Buy New from BN.com
$122.25
Used and New from Other Sellers
Used and New from Other Sellers
from $127.30
Usually ships in 1-2 business days
(Save 15%)
Other sellers (Hardcover)
  • All (9) from $127.30   
  • New (6) from $127.30   
  • Used (3) from $129.79   

Overview

Authors are well known and highly recognized by the "acoustic echo and noise community."
Presents a detailed description of practical methods to control echo and noise
Develops a statistical theory for optimal control parameters and presents practical estimation and approximation methods

Read More Show Less

Editorial Reviews

From the Publisher
"This book cannot be praised enough...a must have reference for digital signal processing designers…as a golden mine for projects…" (Computing Reviews.com, March 7, 2005)
Read More Show Less

Product Details

Meet the Author

EBERHARD HÄNSLER, Dr.-Ing., is Professor of Electrical Engineering at the Darmstadt University of Technology, Darmstadt, Germany.

GERHARD SCHMIDT, Dr.-Ing., is a Research Engineer at Temic Speech Dialog Systems in Ulm, Germany.

Read More Show Less

Read an Excerpt

Click to read or download

Read More Show Less

Table of Contents

List 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.

Read More Show Less

Customer Reviews

Be the first to write a review
( 0 )
Rating Distribution

5 Star

(0)

4 Star

(0)

3 Star

(0)

2 Star

(0)

1 Star

(0)

Your Rating:

Your Name: Create a Pen Name or

Barnes & Noble.com Review Rules

Our reader reviews allow you to share your comments on titles you liked, or didn't, with others. By submitting an online review, you are representing to Barnes & Noble.com that all information contained in your review is original and accurate in all respects, and that the submission of such content by you and the posting of such content by Barnes & Noble.com does not and will not violate the rights of any third party. Please follow the rules below to help ensure that your review can be posted.

Reviews by Our Customers Under the Age of 13

We highly value and respect everyone's opinion concerning the titles we offer. However, we cannot allow persons under the age of 13 to have accounts at BN.com or to post customer reviews. Please see our Terms of Use for more details.

What to exclude from your review:

Please do not write about reviews, commentary, or information posted on the product page. If you see any errors in the information on the product page, please send us an email.

Reviews should not contain any of the following:

  • - HTML tags, profanity, obscenities, vulgarities, or comments that defame anyone
  • - Time-sensitive information such as tour dates, signings, lectures, etc.
  • - Single-word reviews. Other people will read your review to discover why you liked or didn't like the title. Be descriptive.
  • - Comments focusing on the author or that may ruin the ending for others
  • - Phone numbers, addresses, URLs
  • - Pricing and availability information or alternative ordering information
  • - Advertisements or commercial solicitation

Reminder:

  • - By submitting a review, you grant to Barnes & Noble.com and its sublicensees the royalty-free, perpetual, irrevocable right and license to use the review in accordance with the Barnes & Noble.com Terms of Use.
  • - Barnes & Noble.com reserves the right not to post any review -- particularly those that do not follow the terms and conditions of these Rules. Barnes & Noble.com also reserves the right to remove any review at any time without notice.
  • - See Terms of Use for other conditions and disclaimers.
Search for Products You'd Like to Recommend

Recommend other products that relate to your review. Just search for them below and share!

Create a Pen Name

Your Pen Name is your unique identity on BN.com. It will appear on the reviews you write and other website activities. Your Pen Name cannot be edited, changed or deleted once submitted.

 
Your Pen Name can be any combination of alphanumeric characters (plus - and _), and must be at least two characters long.

Continue Anonymously

    If you find inappropriate content, please report it to Barnes & Noble
    Why is this product inappropriate?
    Comments (optional)