10.56 normalized impact sound pressure level. For a specified frequency band, average sound pressure level in decibels due to the standardized impact sound source, plus ten times the logarithm to the base ten of the ratio of the Sabine absorption in the receiving room to the reference Sabine absorption of ten metric sabins. Unit, decibel (dB), symbol Ln.
« 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