- Project plans
- Project activities
- Legislation and standards
- Industry context
Last edited 12 Apr 2018
Sound absorption coefficient
A quantity characterising the effectiveness of a sound absorbing surface. The proportion of sound energy absorbed is given as a number between zero (for a fully reflective surface) and one (for a fully absorptive surface). Note that sound absorption coefficients determined from laboratory measurements may have values slightly larger than one.
 Find out more
 Related articles on Designing Buildings Wiki
- Airborne sound.
- Approved Document E.
- Building acoustics.
- Building Bulletin 93: acoustic design of schools.
- Flanking sound.
- Impact sound.
- Noise nuisance.
- Robust details certification scheme.
- Sound absorption.
- Sound insulation in buildings.
- Sound reduction index (SRI).
- Sound v noise.
- Structure-borne sound.
Featured articles and news
Revised guide to competition rules available.
Brick slip soffit systems and intricate brick features.
An innovative engineering approach could have had tragic consequence for NYC.
Some secrets behind how canals work.
Breaking down possible steps of pre-contract management.
ICE event includes comments from Welsh Government Minister Julie James.
How to write them and what they should include.
Designing Buildings Wiki becomes the world's first website to adopt the new knowledge standard.
Assessing the most beneficial design elements.
Exploring different types of vinyl flooring.
New Government task force will build beauty into reformed planning process.
Five outstanding aspects of the profession.