Nichias can also draw up a contour map that forecasts the state of noise after countermeasures are taken.
On-site noise measurement
![](/cms/nichias/img/products/item/construction/acoustic_insulation/img_soundproof01_02.jpg)
Pre-measure noise distribution forecast
![](/cms/nichias/img/products/item/construction/acoustic_insulation/img_soundproof01_03.jpg)
Post-measure noise distribution forecast
Nichias not only takes measurements with a regular noise meter but also takes measurements with an acoustic particle velocity sensor and prepares acoustic mapping visuals.
![](/cms/nichias/img/products/item/construction/acoustic_insulation/img_soundproof01_04.jpg)
Example of sound mapping visual