Capabilities of inverse scheme for acoustic source localization at low frequencies

Stefan Gombots*, Manfred Kaltenbacher, Barbara Kaltenbacher

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


We present the capabilities of a recently developed inverse scheme for source localization at low frequencies within an arbitrary acoustic environment. The inverse scheme is based on minimizing a Tikhonov functional matching measured microphone signals with simulated ones. We discuss the sensitivity of all involved parameters, the precision of geometry and physical boundary modeling for the numerical simulation using the finite element (FE) method, and the automatic determination of the positions of the recording microphones being distributed around the object of investigation. Finally, we apply the inverse scheme to a real-world scenario and compare the obtained results to state-of-the-art signal processing approaches, e.g. Clean-SC.

Original languageEnglish
Article number44
JournalActa Acustica
Publication statusPublished - 2021


  • Beamforming
  • Inverse Scheme
  • Source Identification

ASJC Scopus subject areas

  • Acoustics and Ultrasonics
  • Speech and Hearing
  • Electrical and Electronic Engineering
  • Computer Science Applications


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