On the Localization of Sound Sources with Moving Microphones

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The first acoustic cameras based on beamforming technology were introduced to the market around 20 years ago. These measurement instruments have now been optimized to the limits of technical feasibility - often with more than 100 microphones, high data processing requirements and acquisition costs.

Seven Bel has redefined the acoustic camera with the patented algorithm "Coherence Scanning Holography". In this white paper, you will learn how this technology

  • simulates more than 400 virtual microphone positions with only 5 MEMS microphones,
  • produces acoustic images with the best spatial resolution and high dynamic range and
  • is used e.g. in the automotive industry to check the tightness of a car cabin.