Doppler Effect

Physical modification of a sound when in motion; for instance, it can be quite apparent in the sound of engines when cars are passing by.


  • Universal sound of motion
  • The physical modification can harden the identification of an unusual sonic event
  • Announces an itinerary, a beginning and an end point
  • Can also provides spatial cues of its surrounding

Related inductor effect: Sound movement; Directionality

(Augoyard, 2006)

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