Document ID (ISN) | 29223 |
CIS number |
78-694 |
Year |
1977 |
Convention or series no. |
|
Author(s) |
Whittle L.S., Robinson D.W. |
Title |
On the measurement of real-ear attenuation of hearing protectors by standardised test methods. |
Bibliographic information |
NPL Acoustics Report Ac 79, National Physical Laboratory, Teddington, Middlesex, United Kingdom, Feb. 1977. 29p. 27 ref. |
Abstract |
After a review of the development of standards in the USA, United Kingdom and internationally, and a summary of the main provisions of British standard BS 5108, this report describes tests performed according to BS 5108 using 5 types of earmuffs and 1 type of earplugs. The results illustrate the repeatability and typical intersubject variances to be expected. Comparison with results at another laboratory, and with the U.S. procedure are reported. |
Descriptors (primary) |
hearing protection; evaluation of equipment; earmuffs; earplugs; sound attenuation |
Descriptors (secondary) |
United Kingdom; comparative study; standardization; report |
Document type |
E - Books, reports, proceedings |
Subject(s) |
Noise, hearing and vibration
|
Broad subject area(s) |
|
Browse category(ies) |
Noise Hearing protection
|