Specifies a laboratory substitution method to determine the insertion loss of ducted circular and rectangular silencers without flow, as well as other duct elements for use in ventilating and air-conditioning systems.
Status: WithdrawnPublication date: 1995-08
Corrected version (en): 1995-12
Corrected version (fr): 1995-12
Edition: 1Number of pages: 6
Technical Committee: ISO/TC 43/SC 1 Noise
- ICS :
- 91.120.20 Acoustics in building. Sound insulation
ISO 11691:1995Stage: 95.99
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