NEN EN ISO 140-1 : 1997 AMD 1 2004

1 Scope
2 Normative references
3 Laboratory test facilities for airborne sound insulation
    measurements under diffuse field conditions
    3.1 Rooms
    3.2 Test opening
          3.2.1 Walls and floors
          3.2.2 Doors and similar components
          3.2.3 Windows and glazings
4 Laboratory test facilities for impact sound insulation
    measurements of floors and floor coverings
    4.1 Receiving room
    4.2 Test opening
Annexes
A Estimation of the maximum achievable sound reduction
    index
B Measurement of the sound index of the filler wall (and
    any flanking construction) for test openings for windows and
    glazings
C Test opening for the measurement of the sound insulation
    of glazing

Gives specifications for laboratory test facilities for sound insulation measurements of building elements. Applicable to laboratory test facilities having suppressed radiation from flanking elements - and/or structural isolation between source and receiving rooms.