UNI EN ISO 17624 : 2005

1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Basic principles and conditions of application
   5.1 Contributions to the sound attenuation
   5.2 Absorption close to the sound source
   5.3 Screening effect
   5.4 Decoupling
   5.5 Absorption away from the sound source
   5.6 Further effects of screens
6 Types of acoustical screens and special requirements
   6.1 Partitioning of large rooms
   6.2 Noise control for individual work stations
   6.3 Protection of individual work stations
7 Combined effect of acoustical screens and acoustical claddings
8 Acoustical requirements for planning and verification purposes
   8.1 Sound absorption
   8.2 Sound insulation
   8.3 In-situ sound attenuation
9 Information for user inquiries and information to be provided
   by the supplier/manufacturer of a screen
   9.1 Information to be provided by the user
   9.2 Information to be provided by the supplier/manufacturer
Annex A (informative) Case studies
Bibliography

Defines the acoustical and operational requirements to be agreed upon between the supplier or manufacturer and the user of acoustical screens. It deals with the effectiveness of acoustical screens.