10.52 outdoor-indoor transmission class. A single-number rating of the sound-blocking ability of a partition, door, window, etc., calculated in accordance with ASTM E1332 from measurements of one-third octave band sound pressure levels and sound absorption made in a laboratory and in accordance with ASTM E90, abbreviation OITC.
« Back to Standards Terminolgy IndexRecent Posts
- Standards Spotlight Pt. 2: Enhancing Acoustics in Student Gymnasiums and Fitness Spaces
- Standards Spotlight Pt 1: Why ASA/ANSI S12.60-2019/Part 4 (R2024) is Essential for Physical Education Spaces
- Newly Reaffirmed ASA Standards
- Level3IR Joins ASA Standards: Advancing Infrared Consulting Excellence
- ASA Standards Publishes Newly Revised Standard: S12.61-2024
Recent Comments