Option BPL can even handle situations with several area sources and receiver points by applying a user-definable optimization strategy. Option BPL: Backtracking of Sound Power Levels вЂ“ Option BPL is very useful in calibrating area sources of which the pressure level at distinct receiver points is known or has been measured, while the sound power level (SPL) or the SPL per unit area is unknown.Furthermore, digital or digitized photographs (orthophotos) in TIFF or JPEG format can be imported. The most common application is importing scanned maps used as a template for entering sound sources, receiver points and other objects. This option includes direct access to Google Earth (Import/Export) With option BMP bitmap-files can be imported in various formats to serve as background pictures. Option BMP: Bitmap and other Interfaces вЂ“ Import various bitmap formats.CadnaA Modular Light вЂ“ this package is similar to CadnaA Modular with the number of sources limited to 30 for roads, railway, area sources, and line sources each and up to 50 for point sources.More standards may be subsequently added for additional cost. Each noise type comes with one calculation standard of choice. With this configuration, for instance, customers can choose the Module Industry to model industrial noise sources only. CadnaA Modular вЂ“ this package is tailored for customers that donвЂ™t have the need to model all industrial, road and railway sources.Additional standards may be subsequently added for additional cost. This configuration comes with one calculation standard of choice for each of the noise types. CadnaA Basic вЂ“ allows for calculation of noise from industrial, road and railway sources.This configuration comes with all calculation standards for these noise types. CadnaA Standard вЂ“ allows for calculation of noise from industrial, road and railway sources.To server customersвЂ™ needs in an individual and convenient way, there are three different product versions available:

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