Differential Beamforming

Jacob Benesty, Gongping Huang, Jingdong Chen, Ningning Pan

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

Another fundamental way to perform beamforming is by considering pressure differences among microphones instead of direct pressure as in conventional beamforming. This leads to the co-called differential beamforming with at least two great advantages: frequency-invariant beampatterns and high directional gains. Although there are different strategies to derive differential beamformers, none of the developed and available approaches do it in an elegant and systematic way. This is what we attempt to do in this chapter by starting with the simplest case: first-order linear difference equations.

Original languageEnglish
Title of host publicationSpringer Topics in Signal Processing
PublisherSpringer Science and Business Media B.V.
Pages139-167
Number of pages29
DOIs
StatePublished - 2024

Publication series

NameSpringer Topics in Signal Processing
Volume22
ISSN (Print)1866-2609
ISSN (Electronic)1866-2617

Keywords

  • Differential beamformer
  • Differential beamforming
  • Linear spatial difference equations

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