ZORBA

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Sound absorption coefficient calculation software

The ZORBA software is a tool for calculating the sound absorption coefficient of porous materials and perforated surfaces. ZORBA is currently available in version v3.0 with a German user interface and is developed by Marshall Day Acoustics.

Range of functions:

  • Calculation of the sound absorption of flow absorbers
  • Calculation of the sound absorption of perforated or slotted facing shells as well as of plate transducers
  • Calculation of sound absorption of fission panels
  • Calculation of sound absorption coefficient and specific impedance
  • Selection of different calculation models (Rayleigh, Mechel, Allard & Champoux, Delany & Bazley, Beranek, Wassilieff, Dunn & Davey, Stinson)
  • Export as PDF or to clipboard
Further information can be found on the official ZORBA homepage www.zorba.co.nz or in the software user groups (XING).

ZORBA - Demo version / 30-day license

The demo version of ZORBA is available for free download. In demo mode, however, the material selection is random.

For practical calculations, we provide a valid, time-limited software key on request which allows the full range of functions to be tested. A new download is not necessary.

Download ZORBA
Request a 30-day license:
ZORBA: 30-Tage-Trial-Lizenz (englisch)

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