SoundPLAN E.N.D. Package
  • SoundPLAN E.N.D. Package

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Sound Plan was one of the first commercial sound calculation. It is sold since 1986. Due to the growing international market opened an international office in 1999. The core business of Sound Plan is forecasting the noise due to various noise sources such wegvekeer, rail traffic, industry etc. Sound Plan uses 2D and 3D techniques to perform noise calculations of the various national or international calculation rules. The software is equipped with various computing protocols such as:

  • Europe / International: ISO9613 Part 1
  • Germany: VDI 2714 / VDI 2720 / DIN 18005 / TA Laerm
  • Austria: 28 OeAL
  • UK: BS 5228
  • Nordic: General Prediction Method for Industrial Plants / Nord 2000
  • Japan: ASJ industrial model
  • USA: Industry model based on TNM, WDI
  • The calculations for indoor noise problems are based on the VDI 3760.

Although all standard mathematical models for industrial noise sound attenuation prognosing as defined by established physical rules, there are some differences. Some models forecasting the worst case scenarion under tailwind conditions, other prognosticating sound attenuation under average meteorological conditions. There are three basic models. VDI 2714/2740 general model for predicting industrial noise, OEAL28 and ISO9613 have the same roots but different variaties.Voor predicting sound propagation in buildings uses the VDI 3760.

The Dutch calculation according to the Manual Measurement Computing and Industrial Noise 1999 not included as explicit calculation, but according to the international standard ISO9613.

 

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