Overview

The ongoing revolution in electronic switching and transport technologies promises a dramatic increase in user satisfaction levels for future telecommunications networks. However, unless there is a corresponding improvement in the technologies of the acoustics of telecommunications, this promise will prove empty. The sense of presence that people feel when together in a room is largely due to the psycho-acoustic cues they sense from the human binaural hearing system evolved over thousands of years. Modern acoustic signal processing is just now beginning to be able to deliver that same experience to users in seperate locations. This includes the ability to communicate in full duplex with wider bandwidths and multiple audio streams (for instance stereo and 3D audio). It also involves locating and separating audio sources, suppressing noise, and using sound to automatically steer video cameras. This text presents digital signal processing techniques for telecommunications acoustics that are both cutting-edge and practical. Each chapter presents concepts as yet unused, but easily realizable with today's technology. To this end, both new theory and new implementation techniques are presented. Topics include new adaptive filtering algorithms, multi-channel acoustic echo cancellation, noise control, virtual sound, sound source localization for camera tracking, source separation, and microphone arrays.

Full Product Details

Author:   Steven L. Gay ,  Jacob Benesty
Publisher:   Springer
Imprint:   Springer
Edition:   2001 ed.
Volume:   551
Dimensions:   Width: 15.50cm , Height: 2.00cm , Length: 23.50cm
Weight:   1.520kg
ISBN:  

9780792378143

ISBN 10:   0792378148
Pages:   333
Publication Date:   31 March 2000
Audience:   College/higher education ,  Professional and scholarly ,  Postgraduate, Research & Scholarly ,  Professional & Vocational
Format:   Hardback
Publisher's Status:   Active
Availability:   Awaiting stock  
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Table of Contents

1 An Introduction to Acoustic Echo and Noise Control.- I Mono-Channel Acoustic Echo Cancellation.- 2 The Fast Affine Projection Algorithm.- 3 Subband Acoustic Echo Cancellation Using the FAP-RLS Algorithm: Fixed-Point Implementation Issues.- 4 Real-Time Implementation of the Exact Block NLMS Algorithm for Acoustic Echo Control in Hands-Free Telephone Systems.- 5 Double-Talk Detection Schemes for Acoustic Echo Cancellation.- II Multi-Channel Acoustic Echo Cancellation.- 6 Multi-Channel Sound, Acoustic Echo Cancellation, and Multi-Channel Time-Domain Adaptive Filtering.- 7 Multi-Channel Frequency-Domain Adaptive Filtering.- 8 A Real-time Stereophonic Acoustic Subband Echo Canceler.- III Noise Reduction Techniques with a Single Microphone.- 9 Subband Noise Reduction Methods for Speech Enhancement.- IV Microphone Arrays.- 10 Superdirectional Microphone Arrays.- 11 Microphone Arrays for Video Camera Steering.- 12 Nonlinear, Model-Based Microphone Array Speech Enhancement.- V Virtual Sound.- 13 3D Audio and Virtual Acoustical Environment Synthesis.- 14 Virtual Sound Using Loudspeakers: Robust Acoustic Crosstalk Cancellation.- VI Blind Source Separation.- 15 An Introduction to Blind Source Separation of Speech Signals.

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