Acoustical Signals – In Air and Water

Jakob Christensen-Dalsgaard*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingEncyclopedia chapterResearchpeer-review


The chapter gives an introduction to acoustics and acoustical signals. It is argued that motion in air and water always produces sound, in addition to other types of acoustical signals. The chapter details sound emission, propagation and production by animals.
Original languageEnglish
Title of host publicationEncyclopedia of Animal Behavior
EditorsJae Chun Choe
Place of PublicationOxford
PublisherAcademic Press
Publication date2019
Edition2nd edition
Pages438 - 448
ISBN (Print)978-0-12-813252-4
Publication statusPublished - 2019


  • acoustics
  • dipole
  • far field
  • fluid wave
  • monopole
  • near field
  • sound transmission
  • sound wave

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