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Norsonic Acoustic Camera


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Data Sheet 

Case Studies
Wind Turbine Case Study   

Use of the acoustic camera on wind turbines

Metro Station Case Study 
Metro station in Taipei, Taiwan
Modular Walls Case Study 
Finding acoustic weak points in a room divided by modular walls
Low-Frequency Noise Case Study 
Identifying low frequency tonal noise in windy and noisy conditions
Low-Level Sanitary Noise 
Pin poiting low-level sanitary noise in apartment building
Structure-Borne Noise 
Filming low frequency structure born noise with acoustic camera
Car Noise 
Using acoustic camera inside a caravan to find squak and rattle noise
Window Squak 
Identifying short time high pitch squak noise from electric window in a car door


  • Up to 384 microphones available
  • Real time virtual microphone
  • Digital microphones, no extra acquisition unit needed
  • Intuitive software
  • Plug and play within 5 minutes


The Norsonic Nor848A sets a new standard for acoustical cameras. The large number of microphones eliminates the problems of ghost-spots, compared to traditional acoustic cameras where the relatively low number of microphones increases the side lobe effect, resulting in the so called ghost-spot effect. You measure a non existing source. The Nor848A software is extremely intuitive and easy to use. Just after a few minutes of training, the user is able to operate the system and do real measurements. Two camera frontends are available.


A 0.4 meter array hodling 128 microphones,  1 meter array holding 256 microphones and a 1.6 meter array with 384 microphones! The system enables the user to perform noise analysis with a clear view of the spatial distribution of the sound in real time! The system is easy to set up in the field. Just power the self-contained unit from mains or battery and connect the LAN cable to the computer. The system is ready to measure in just a few minutes after entering the site.



  •  Robust camera front-end based on a circular carbon fiber disc, three sizes available: 
    - 128 microphones 0.4 meter array, only 5.5 lbs. (2.5 kg) in weight
    - 256 microphones 1 meter array,  only 24 lbs. (11 kg) in weight
    - 384 microphones 1.6 meter array for lower frequency analysis
  • No interface box between array and laptop, direct connection with LAN cable
  • Listen to and analyze real time audio from virtual microphone position
  • Virtual microphone enables you to listen to the sound contribution from any source real time, filtered with your selected frequency range
  • Microphones on a disc prevent sound and echo from behind
  • Low self-noise and large measurement range
  • RPM option for analyzing rotating machines.
  • High-performance optical video camera are included in the camera front-end unit
  • The distribution of the high number of microphones ensures high resolving power and reduces the problems due to side lobe effects compared to most other acoustic cameras
  • Digital microphones ensure large dynamic range and high stability
  • Simple connection to the included  MacBook Pro computer through a single LAN-cable.
  • All parts are integrated in the camera frontend – no need for a signal processing  interface box
  • Operated on mains or DC input
  • Records the signal from every microphone

Norsonic's Acoustic Camera Webpage







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