| Document ID (ISN) | 34792 |
| CIS number |
81-70 |
| Year |
1978 |
| Convention or series no. |
AFNOR NF S 31-062
|
| Title |
Measurement of noise reduction achieved by personal hearing protection (supraliminary subjective method) |
| Original title |
Mesure de l'affaiblissement sonore apporté par les protecteurs individuels contre le bruit (méthode subjective supraliminaire). [in French] |
| Bibliographic information |
Association française de normalisation, Tour Europe, 92080 Paris-la-Défense Cedex 7, France, Sep. 1978. 10p. Illus. |
| Abstract |
The method described in this standard, which aims to give values for noise reduction achieved with hearing protectors, as near as possible to reality in workplace conditions, makes use of a diffuse sound field, complex test sounds and a test environment with a high sound pressure level (100dB in each frequency band). Specification of test site. Choice of test subjects. Test method. Presentation of results. |
| Descriptors (primary) |
hearing protection; earmuffs; sound attenuation; France |
| Descriptors (secondary) |
subjective assessment; standard; perceived noise level |
| Document type |
F - Information notes, codes of practice, standards |
| Subject(s) |
Noise, hearing and vibration
|
| Broad subject area(s) |
|
| Browse category(ies) |
Noise
Hearing protection
|
