Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Instrumentation
5 Frequency range
6 General
7 Default procedure for sound pressure level measurement
8 Low-frequency procedure for sound pressure level
measurement for the tapping machine as impact source
9 Background noise (default and low-frequency procedure)
10 Reverberation time in the receiving room (default and
low-frequency procedure)
11 Conversion to octave bands for the tapping machine as
impact source
12 Conversion to octave bands for the rubber ball as
impact source
13 Expression of results
14 Uncertainty
15 Test report
Annex A (normative) - Impact sources
Annex B (normative) - Requirements for loudspeakers
used for reverberation time measurements
Annex C (informative) - Forms for the expression of results
Annex D (informative) - Additional guidance
Annex E (informative) - Horizontal measurements - Examples
of suitable impact source and microphone positions
Annex F (informative) - Vertical measurements - Examples
of suitable impact source and microphone positions
Bibliography