HMMH provides noise management and soundscape solutions for urban and natural parks, entertainment venues, and other public spaces. Since 1990 we have helped the National Park Service control noise at many of America’s favorite parks, including the Grand Canyon, Yellowstone and Hawaii Volcanoes.
Project Experience
- Collection of Acoustic Data in Various National Parks
- Design and Construction of a Low Noise Monitoring System
- Snowmobile Noise in Yellowstone and Grand Teton National Parks
- Watercraft Noise in Glen Canyon National Recreation Area, AZ


