
Method of test for estimating the risk of hearing handicap due to noise exposure
出版:British Standards Institution

專(zhuān)家解讀視頻
Specifies a relationship between noise exposure and the expected incidence of hearing handicap. The exposure is derived from the equivalent continuous A-weighted sound level during an 8-hour working day, whilst the handicap is taken as 30 dB referred to a specified audiometric zero.
? British Standards Institution 2013
ISO 1999:1990 - Similar