Real Ear Evaluation of the Willson Sound Silencer Ear Plug,
Abstract
The Willson Sound Silencer, V-51R, and Comfit ear plugs were tested by a modified free field threshold shift method. The Willson plug attenuated significantly better than the other two and was judged to be more comfortable. The Willson plug was recommended for consideration as a medical standard item. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 28, 1968
- Accession Number
- AD0844356
Entities
People
- John L. Fletcher
- Michel Loeb
Organizations
- United States Army Medical Research Laboratory