Sparse Adaptive Filters for Echo Cancellation / by Constantin Paleologu, Jacob Benesty, Silviu Ciochina.

Format:

Book

Author/Creator:

Paleologu, Constantin, Author.

Benesty, Jacob, Author.

Ciochină, Silviu, Author.

Series:

Synthesis Lectures on Speech and Audio Processing, 1932-1678

Language:

English

Subjects (All):

Electrical engineering.

Signal processing.

Acoustical engineering.

Electrical and Electronic Engineering.

Signal, Speech and Image Processing .

Engineering Acoustics.

Local Subjects:

Electrical and Electronic Engineering.

Signal, Speech and Image Processing .

Engineering Acoustics.

Physical Description:

1 online resource (IX, 114 p.)

Edition:

1st ed. 2010.

Place of Publication:

Cham : Springer International Publishing : Imprint: Springer, 2010.

Summary:

Adaptive filters with a large number of coefficients are usually involved in both network and acoustic echo cancellation. Consequently, it is important to improve the convergence rate and tracking of the conventional algorithms used for these applications. This can be achieved by exploiting the sparseness character of the echo paths. Identification of sparse impulse responses was addressed mainly in the last decade with the development of the so-called ``proportionate''-type algorithms. The goal of this book is to present the most important sparse adaptive filters developed for echo cancellation. Besides a comprehensive review of the basic proportionate-type algorithms, we also present some of the latest developments in the field and propose some new solutions for further performance improvement, e.g., variable step-size versions and novel proportionate-type affine projection algorithms. An experimental study is also provided in order to compare many sparse adaptive filters in different echo cancellation scenarios. Table of Contents: Introduction / Sparseness Measures / Performance Measures / Wiener and Basic Adaptive Filters / Basic Proportionate-Type NLMS Adaptive Filters / The Exponentiated Gradient Algorithms / The Mu-Law PNLMS and Other PNLMS-Type Algorithms / Variable Step-Size PNLMS Algorithms / Proportionate Affine Projection Algorithms / Experimental Study.

Contents:

Introduction

Sparseness Measures

Performance Measures

Wiener and Basic Adaptive Filters

Basic Proportionate-Type NLMS Adaptive Filters

The Exponentiated Gradient Algorithms

The Mu-Law PNLMS and Other PNLMS-Type Algorithms

Variable Step-Size PNLMS Algorithms

Proportionate Affine Projection Algorithms

Experimental Study.

ISBN:

9783031025594

3031025598