Acoustic camera by using a microphone array

Acoustics

© Fraunhofer IBP
Measurement Sound radiation, directional pattern, sound, sound particle velocity, sound intensity, sound power
Measurement object Machinery, equipment, tools, components, building services, fans, vehicles, etc.


Technical data

Number of microphones 96 (holography), 56 (beamforming)
Array geometry Rectangular, circular, logarithmic spiral
Distance between microphones 30, 75, 150 mm (holography)


Special features

Acoustic nearfield holography Analysis in the nearfield of sound sources,
stationary and transient sound
Beamforming Analysis in the farfield of sound sources, static and moving test objects

 

More information

  • Combination with a high-speed camera
  • Laboratory and in-situ measurements