Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Measurement uncertainty
5 Performance requirements
5.1 General
5.2 Temporal steadiness and repeatability of sound
power output
5.3 Total broad-band sound power level
5.4 Spectral characteristics
5.5 Directivity index
5.6 Recalibration
6 Installation and operation of the reference sound
source during calibration
6.1 General
6.2 Position of the reference source
7 Calibration procedure in hemi-anechoic rooms
7.1 Test environment
7.2 Microphone
7.3 Microphone positions
7.4 Measurements
7.5 Air absorption
7.6 Calculations
8 Calibration procedure in reverberation rooms
8.1 Test environment
8.2 Microphone
8.3 Microphone positions
8.4 Measurements
8.5 Calculations
9 Information to be recorded
10 Information to be reported
Bibliography