The Exterior Effects Room (EER) is a facility for studying human response to aircraft noise experienced outdoors.
Capabilities
- 31 channel 3-D audio (Vectsonic) system
- 27 K&H O300 satellite speakers
- 4 K&H O900 subwoofers
- 16 Hz – 20 kHz compensated frequency range
- Human-rated facility
- Active/passive stereo projection system
- Seating capacity: 39
Human Response Studies
- Annoyance studies of current A/C fleet
- Recording-based
- Synthesized from predicted component noise
- Simulation of future A/C configurations
- Rotorcraft
- Conventional fixed wing
- Revolutionary configurations
- Operations & weather
- Detection and identification
Facility Document
Acoustic performance of a Real-Time Three-Dimensional Sound-Reproduction System
Contact
Stephen A. Rizzi (s.a.rizzi@nasa.gov)