Dolph-Chebyshev radial filter for the near-field spherical microphone array

Etan Fisher, Boaz Rafaely

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

5 Scopus citations

Abstract

When close enough to a microphone array, the spherical nature of radiating sources allows for sound field processing in terms of distance as well as direction. As part of an on-going study on beamforming given sources close to a spherical microphone array, sound field processing is examined through the use of radial filters. In this paper, a radial Dolph-Chebyshev design is presented for attenuating far-field interference given sources close to the array surface. The proposed radial filter facilitates an analytical formulation of the design technique, and may be practical for sources very close to the array surface.

Original languageEnglish
Title of host publication2009 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA 2009
Pages169-172
Number of pages4
DOIs
StatePublished - 1 Dec 2009
Event2009 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA 2009 - New Paltz, NY, United States
Duration: 18 Oct 200921 Oct 2009

Publication series

NameIEEE Workshop on Applications of Signal Processing to Audio and Acoustics

Conference

Conference2009 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA 2009
Country/TerritoryUnited States
CityNew Paltz, NY
Period18/10/0921/10/09

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Science Applications

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