Scan & Paint 3D

Complete and Detailed Sound Field Information

3D Sound Vectors | 3D Model | 3D Auto-Tracking 

The Scan&Paint 3D is a groundbreaking new portable, all-in-one box solution for acoustic measurements. It is a unique tool for acoustic trouble shooting and sound source localization, allowing you to visualize what you hear. It makes complex problems simple and easy to understand. Sound source localization is an important topic in the working field of sound & vibration, from the product development stage to the end of line quality control.In a matter of minutes the complete sound field, as 3D sound intensity or particle velocity, is displayed on a 3D model over a broad frequency range and with an unparalleled dynamic range. The very small 3D sensor makes it possible to obtain results with a very high spatial resolution enabling measurements even on very small objects.Localize your sound sources and visualize the sound propagation in full 3D.

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Key Features

  • Broadband Solution | allows to measure and visualise from 20Hz till 10kHz
  • Fast Method | short setup, measurement and processing time
  • 3D visualisation of: 
    • Sound intensity vectors
    • Particle velocity vectors
    • Sound pressure distribution
  • Applicable in (real) operating environments
  • Automatic 3D tracking of the sensor position
  • 3D modeling tools embedded in the measuring system for fast 3D sound mapping e.g. import of CAD and SketchUp models
  • 2D visualisation available for all angles of the 3D model
  • Easy to operate
  • Single sensor solution
Microflown probes enable the direct measurement of both sound pressure & particle velocity, thus the sound intensity can be obtained by taking the time averaged cross spectrum between both. This allows direct measurements across a broad frequency range (20Hz to10kHz). Furthermore the sensors are not highly affected by the environment and allow sound intensity measurements in situations with a high sound pressure to sound intensity ratio (p/I index).This unique feature makes the systema superb engineering tool fortroubleshooting or benchmarkingall kinds of objects on the spot.In practice, there are many caseswhere anechoic conditions are notapplicable, for instance in an industrialmanufacturing e nviroment, or a car interior. Finally, a solution is offered which does not require any compromise when taking measurements even in acoustically challenging environments. The tracking camera, that automatically tracks the position and orientation of the sensor, can be repositioned  easily during measurement sessions,providing flexibility together with the ability to capture complex objects, such as a car interior in full 3D. Multiple measurements from different camera views can be merged into one full 3D project. Measuring the complete sound field has never been more easy and accurate as with the new Scan & Paint 3D.    

 > Technology

The real 3D Sound Intensity Probe

The state of the art sensor used in the system is the three dimensional 1⁄2 inch USP regular probe. The sensor consists of three orthogonally placed Microflown acoustic particle velocity sensors and a sound pressure microphone. The Microflown USP probe is the only sensor that has the unique capability of allowing the direct measurement of all acoustic quantities: sound pressure and tri-axial particle velocity. The sound intensity can be calculated by taking the time averaged cross spectrum of particle velocity and sound pressure. 3D Sound intensity vectors can be obtained without any frequency limitations covering a range of 20Hz to 10kHz. The actual sensor configuration without the protective cap, occupies a volume smaller than 1cm^3. This small size allows measurements to be taken with an unmatched spatial resolution.


3D Position Tracking using an Infrared Camera

The sensor´s orientation and position are automatically tracked in 3D by the tracking camera. The optical tracking system is based on monitoring a defined measurement space using an infrared stereo camera.Each camera is equipped with an infrared (IR) pass filter in front of the lens, and a ring of IR LEDs around the lens to periodically illuminate the measurement space with IR light. This light is not visible to the human eye and is completely safe to work with.The sensor is equipped with a spherical marker, consisting of embedded retro reflective stickers. The incoming IR light is reflected by the stickers. The IR light reflections are detected by the stereo camera, and the tracking system translates them to exact 3D coordinates along with the sensor orientation.


3D Model | Create, Import or Digitize

All results can be visualized on an interactive 3D model. The built in 3D Shape Editor offers a variety of options to create a 3D model.The 3D shape editor offers a drawing tool to quickly create basic models. If your 3D geometry is already available, the 3D shape editor is equipped with the possibility to import 3D models from a variety of popular file formats e.g. CAD or Sketchup files.Alternatively, if no model is availably for import, a fast method using a Structure Sensor to obtain a detailed 3D model can be offered. The Sructure Sensor can be used either with an Ipad or normal PC and provides you with a 3D model in a compatible import format for the 3D shape editor in a matter of minutes.





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