Parameter
Weighted, normalized impact sound insulation, Ln,w
Weighted impact sound improvement factor, ΔLw
Reference standard
NS-EN ISO 717-2
Internal method identity
14-05-48-514
14-05-48-515
Comment
Calculation of impact sound insulation and impact sound improvement.
Applies to: Floors and floor coverings.
Parameter
Impact sound insulation, Ln
Reference standard
ISO 10140-3
Internal method identity
14-05-48-514
Comment
Impact sound level and impact sound improvement.
Can be combined with preparation and installation requirements according to NS-EN ISO 10140-1
Parameter
Practical sound absorption coefficient, αp
Weighted sound absorption coefficient, αw
Classification of sound absorbers
Reference standard
NS-EN ISO 11654
Comment
Classification of sound absorbers and calculating the weighted sound absorption coefficient
Object
Sound absorbers, interior design
Parameter
Measurement of sound absorption in a reverberation room
Reference standard
ISO 354
Internal method identity
14-05-48-516
Comment
Sound absorbation factor
100 Hz - 5 kHz
Object
Vertical and horizontal partition structures
Parameter
Airborne sound insulation, R
Reference standard
ISO 10140-2
Internal method identity
14-05-48-511
14-05-48-512
14-05-48-513
14-05-48-517
Comment
Sound reduction number.
Can be combined with preparation and installation requirements according to NS-EN ISO 10140-1
Object
Vertical and horizontal partition structures
Parameter
Weighted airborne sound insulation value, Rw
Weighted airborne sound improvement value, ΔRw
Reference standard
NS-EN ISO 717-1
Internal method identity
14-05-48-511
14-05-48-512
14-05-48-513
14-05-48-517
Comment
Calculation of weighted sound reduction figure.