CadnaA (Computer Aided Noise Abatement) is the leading software for calculation, presentation, assessment and prediction of environmental noise. It can be used efficiently at any scale, starting with a few single receivers in a neighborhood up to noise mapping projects of entire countries. This works for various source types in fields of road-, railway-, aircraft-, and industrial noise.

FEATURES

• Highly usable, yet flexible concept
• Calculation according to various national, international or user defined standards and guidelines including ISO 9613
• Fast calculations even for large projects due to multicore use and 64bit option
• Calculation, assessment and presentation of air pollutant distribution
• Modeling and calculation of industrial, traffic, and aircraft noise at different scales
• Statistical evaluations of noise and other data
• Flexible display and result output options
• Variety of import/export formats e.g. DXF, SHP or bitmaps from Google Earth
• Extremely powerful and extensive features for 3D visualization
• Absorption and sound power data from user library or existing databases
• Print preview output via any Windows ® compatible printer
• Standard and user-defined printing
• Calculation of noise contours around airports
• Roads with track spacing and transverse slope on each point if desired. Bridges, barriers, and embankments
• Industrial sources: possible input of sound power level (PWL), sound reduction index (for radiation from buildings), and attenuation (for silencer), single band or frequency spectrum
• Train types input from stored global or local libraries, corrections for track type. includes bridges, crossings, and curved track
• Auralization: audio playback of cars and trains passing by at selectable emission points
• Special sources for power plants and other industries

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