NEN EN ISO 140-11 : 2005

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Equipment
5 Test arrangement
  5.1 General arrangement
  5.2 Details of test arrangement
  5.3 Preparation and installation of test specimen
  5.4 Influence of temperature and humidity
6 Test procedure and evaluation
  6.1 Generation of sound field
  6.2 Measurement of impact sound pressure level
  6.3 Frequency range of measurements
  6.4 Measurement of reverberation time and evaluation of
      the equivalent sound absorption area
  6.5 Correction for background noise
  6.6 Position of the tapping machine
7 Precision
8 Expression of results
9 Test report
Annex A (normative) Requirements for the tapping machine
Annex B (normative) Types of lightweight reference floors
Annex C (informative) Measurements using a modified tapping
                      machine
Annex D (informative) Measurements using a wooden mock-up floor
Annex E (informative) Measurements using a heavy/soft impact
                      source
Annex F (informative) Specification of the heavy/soft impact
                      source
Annex G (informative) Example of form for the expression of
                      results
Bibliography

Define specifies methods for measuring the acoustic properties of floor coverings from the viewpoint of reducing impact sound transmission.