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Reduce the pressure, go for particle velocity

Building acoustics

Room acoustic measurements are typically performed using sound pressure microphones only. With the invention of the Microflown sensor, acoustic particle velocity has become a directly measurable quantity. Since then, many new applications have been developed exploiting its broadband directionality and acoustic near-field response. Together with a regular sound pressure sensor, the whole acoustic vector can now be thoroughly characterized. As a result, sound probes comprising both sound pressure and particle velocity sensors can be used for a variety of room acoustics applications.


  • In-situ Transmission Loss
  • Detection of Sound Leakage
  • DOA of early reflections
  • 3D sound intensity around objects
  • 3D impulse responses
  • In-situ acoustic impedance
  • In-situ acoustic absorption
  • Direct sound mapping
  • Radiation efficiency
  • Energy density measurements
  • Sound scattering
Reduce the pressure, go for particle velocity


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