Because many private firms, universities and government offices use SoundPLAN for environmental planning, research and evaluation through to various public presentations, our software is specially designed to make projects and presentations efficient, versatile and effective. For power users, SoundPLAN maintains the strengths of the previous versions. For novices and casual users, the Windows environment and user interfaces help speed up the learning curve. The clear structure of our data organization makes it possible to understand and maintain projects prepared a long time ago or by other operators.