ДСТУ EN 24869-1-2002
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Part 1. Subjective method for the measurementof sound attenuation
1 2 ISO 354:1985 Acoustics — Measurements of sound absorption in a reverberation room
ISO 8253-2:- ) I EC 225:1966 Octave, half-octave and third-octave band filters intended for the analysis of sounds and vibrations
I EC 263:1982 Scales and sizes for plotting frequency characteristics and polar diagrams
IEC 645-1 :- > IEC 651:1979 Sound level meters
IEC 804:1985 Integrating-averaging sound level meters
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4,5 4 4.2.2 4.2.3 4.3 4.3.1 ** 4.3.2 4.3.3 4.3.4 4.4 4.4.1 4.4.2 4.4.3 4.4.4 4.5 4.5.1 4.5.2 4.5.3 4.5.4 4.5.5 4.6 4.7 —? —? —? —? —? —? У? —? —? 1 ISO 389:1985 Acoustics — Standard reference zero for calibration of pure tone air conduction audiometers
2 ISO 5725:1986 Precision of test method — Determination of repeatability and reproducibility for a standard test method by inter-laboratory test
3 ISO 61:1983 Acoustics — Pure tone air conduction threshold audiometry for hearing conservation purposes
4 ISO 8253-1:1989 Acoustics — Audiometric test methods — Part 1: Basic pure air and bone conduction threshold audiometry
5 Brinkmann, K. and Richter. U. Repeatability and reproducibility of sound attenuation measurements on hearing protectors according to ISO 4869. Internal Report. Physikalisch — Technische Bundesanstalt, Braunshweig, Germany, F.R., 1988
6 Poulsen, T. Nordic round robin test in hearing protector measurements. Vol. I, Internal Report No. 21. The Acoustics Laboratory, Technical University of Denmark, 1984
7 Shipton, M. S. Intercomparison of measurements on ear protectors by subjective and objective test methods. Final report on the 1982 EEC intercomparison. EUR 10575 E.N. Luxembourg, Office for Official Publications of the European Communities, 1986.
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