NS EN ISO 354 : 2ED 2003

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Frequency range
6 Test arrangement
  6.1 Reverberation room and diffusion of sound field
  6.2 Test specimens
  6.3 Temperature and relative humidity
7 Measurement of reverberation time
  7.1 General
  7.2 Interrupted noise method
  7.3 Integrated impulse response method
  7.4 Evaluation of reverberation times based on decay
      curves
8 Expression of results
  8.1 Method of calculation
  8.2 Precision
  8.3 Presentation of results
9 Test report
Annex A (normative) Diffusivity of the sound field in the
        reverberation room
Annex B (normative) Test specimen mountings for sound
        absorption tests
Bibliography