4.50 otologically normal subject. Person in a normal state of health who is free from all signs or symptoms of ear disease and from excessive wax in the ear canal which would block incoming sound, and has no history of undue exposure to noise.
« Back to Standards Terminolgy IndexRecent Posts
- Natus Medical Inc. Joins As New ASA Standards Member
- Threshold Acoustics’ Brandon Cudequest to Serve as New Chair of ASA Standards S12 Committee Working Group 18
- Michigan Technological University Joins As New ASA Standards Member
- This Week’s Newly Reaffirmed Standards
- Call for Participation in S12/Working Group 29 for S12.14-1992 (R2020) Revision Project
Recent Comments