![Artificial recording head used for acoustic measurements in real-world environments Picture of artificial head, fitted with microphones, on a moving platform](/sites/default/files/styles/large/public/project_images/recording_head.jpg?h=c1685f8e&itok=hsa38S_P)
![Photo of John Brabyn](/sites/default/files/styles/teaser_image/public/profile_photo/johnbrabyn-18989.jpg?h=7336eea7&itok=9QCSytqe)
- Principal Investigator:
- John Brabyn
![Photograph of Helen Simon](/sites/default/files/styles/teaser_image/public/profile_photo/simon-sm-hs-7711-3.jpg?h=7b8df557&itok=SybChPcQ)
- Principal Investigator:
- Helen J. Simon
![Photograph of Debby Gilden](/sites/default/files/styles/teaser_image/public/profile_photo/gilden-sm-hs-7746-3.jpg?h=7b8df557&itok=BD5b8yM6)
- Principal Investigator:
- Deborah Gilden
It has long been known that good blind travelers use a variety of obvious and unobvious auditory cues to help them navigate, and we know that they include echolocation and sound shadows. This project is an attempt to gain more detailed information about the acoustic nature of the information they find so useful.