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OTL Terrain

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 OTL Terrain 2


Olive Tree Lab Terrain™ is an acoustics software application that can be used for noise barrier design and for mapping small to medium scale projects. Olive Tree Lab Terrain™ covers the need of acoustic engineers for a noise barriers design tool. The application is focused on two main pillars, accuracy and ease of use. It addresses mostly fixed noise sources within a small area where one has control over most of the parameters involved in the calculations. It is based on high frequency resolution calculations, as opposed to just 1/3 octave band analysis, which can also be seen in 1/3 and 1/1 octave bands after being appropriately averaged. Olive Tree Lab Terrain™ can be used for acoustic engineering, acoustic research and educational purposes.






  • Includes ISO 9613-2 calculation methods as well as ISO 9613-1 Atmospheric absorption method    
  • Sound Power and Pressure Level in 1/3 Octave Bands - 25 Hz to 10,000 Hz
  • Noise Source Database with manual input of sound measurements or other data
  • Sophisticated in-house detection engine that can detect sound rays in complex 3D environments
  • Noise Levels are displayed in 1/3 octave bands center frequencies or overall levels in dB(A)
  • Multiple barrier diffraction and reflections calculations
  • Noise barriers of finite size with special properties for the design of remedial measures. At a click of a button one can change from a wedge barrier to an I-shape, Γ-shape or Π-shape barrier thin or thick
  • Import of DXF/DWG/Images
  • results can be exported to the clipboard, in .txt or .csv file formats


Click here for a real-life application example using OTL Terrain. 


For additional information including a free demo version download, please visit the PEMARD Olive Tree Lab website.




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