Property
Sound absorption (αw) v1.0
Active
URL: https://opendictionary-ecstest.test-bim.com/organization/25869347-9422-4528-ac1c-65954fa4061d/dictionary/9deb4292-f4a1-4152-a7f3-ddecc7bf4f11/property/e21025ec-7ef3-4f1e-82c6-a73d53f94bcf
GUID: 5a339f86-81a9-4bee-8a63-fc2612008dfe
Definition
Weighted sound absorption coefficient (0–1), per EN ISO 11654
Description
Indicates the degree of sound absorption
Example
65
Technical definition
Data type
Float
Usage
Property groups (1)
References
Reference documents (3)
- ASTM C423 Sound Absorption by Reverberation Room Method v1.0
- EN ISO 11654 Sound Absorption in Buildings v1.0
- ISO 354 Acoustics Sound Absorption v1.0