Committees responsible
National foreword
Method
01 Related International Standards
02 Synopsis of ISO 3741
03 Introduction
1 Scope and field of application
2 References
3 Definitions
4 Acoustical environment
5 Instrumentation
6 Installation and operation of source
7 Measurement of mean-square sound pressure
8 Calculation of sound power level
9 Information to be recorded
10 Information to be reported
Annexes
A Test room qualification procedure for the
    measurement of broad-band sound
B Characteristics and calibration of reference sound
    source
C Procedures for calculating A-weighted sound power
    level from octave or one-third octave-band power
    levels
D Guidelines for the design of reverberation rooms
E Guidelines for the design of rotating diffusers
Tables
1 International Standards specifying various methods
    for determining the sound power levels of machines
    and equipment
2 Uncertainty in determining sound power levels of
    broad-band noise sources in reverberation rooms
3 Minimum volume of the test room as a function of the
    lowest frequency band of interest
4 Relative tolerances for the instrumentation system
5 Corrections for background sound pressure levels
6 Maximum allowable standard deviation of Li
7 Calibration accuracy for reference sound source
8 Values of j and Cj for octave-band data
9 Values of j and Cj for one-third octave-band data
10 Recommended room dimension ratios for rectangular
    rooms