SoundPLAN International LLC

SoundPLAN is the leading noise and air pollution planning and mapping software for 29 years. Use SoundPLAN to map and assess any transportation, industry or leisure noise. Use it for any size project with even the smallest version. Outstanding features include the cost/benefit capabilities for Wall Design and Expert System, extensive documentation features, and it is the only integrated suite of software that models interior noise levels, sound transmission through building walls and sound propagation into the environment. SoundPLAN’s famous graphics are both stunning and easy to use.

Company details

80 E Aspley Lane , Shelton , WA 98584 USA

More Office Locations Locations Served

Our Distributors

Business Type:
Software vendor
Industry Type:
Health and Safety - Noise and Vibration
Market Focus:
Globally (various continents)
Year Founded:

SoundPLAN GmbH in Backnang, Germany is an engineering company with the main focus on noise control, air quality assurance and software development. SoundPLAN International LLC in Shelton, WA, USA acts as the interface between the development office and the more than 30 international distributors that help distribute and maintain the SoundPLAN software on a worldwide basis.

Our interdisciplinary team consists of engineers, geographers, physicists and computer science specialists. Our team generates cutting edge engineering solutions which we deliver to the global market in the format of our SoundPLAN software. Our SoundPLAN noise modeling software has maintained the status of the market leader for more than 20 years.

  • Development of the PC software SoundPLAN + SoundPLAN essential
  • Custom software development
  • Noise investigations
  • Noise planning for new road/rail infrastructure
  • Noise mapping and action plans in accordance to the EU environmental noise regulations
  • Environmental assessment studies


Seminar on large-scal projects

We would like to announce a 1,5 days training seminar hosted at our headquarters in Backnang, Germany on April 21st and 22nd 2016. The main focus is a hands-on workshop focusing on large-scale noise maps. Topics include data import and handling, calculation settings and advanced preparation of result tables and maps, as well as hot-spot analysis. The workshop will end with some presentations on the current implementation of CNOSSOS EU and on the integration of external databases into SoundPLAN.

Participants should have a good knowledge of SoundPLANnoise and the presentation language is English. If you are interested, please contact mail(at) for further information.

The participation fee is 850 Euros for the whole seminar, including lunch. We will provide a computer for each participant