Audio Bandwidth Extension: Application of Psychoacoustics, Signal Processing and Loudspeaker Design

Audio Bandwidth Extension: Application of Psychoacoustics, Signal Processing and Loudspeaker Design

Author(s): Erik Larsen, Ronald M. Aarts

Published Online: 6 DEC 2005

Print ISBN: 9780470858646

Online ISBN: 9780470858714

DOI: 10.1002/0470858710

About this Book

Bandwidth extension (BWE) refers to various methods that increase either the perceived or real frequency spectrum (bandwidth) of audio signals. Such frequency extension is desirable if at some point the frequency content of the audio signal has been reduced, as can happen for example during recording, transmission or reproduction.

This volume, significant in dealing exclusively with BWE, discusses applications to music and speech and places particular emphasis on signal processing techniques.

  • Presents an all-encompassing approach to BWE by covering theory, applications and algorithms
  • Reviews important concepts in psychoacoustics, signal processing and loudspeaker theory
  • Develops the theory and implementation of BWE applied to low-frequency sound reproduction, perceptually coded audio, speech and noise abatement
  • Includes a BWE patent overview

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