NBN EN ISO 7029 : 1ED 2000现行
GELUIDSLEET - STATISTISCHE VERDELING VAN GEHOORDREMPELS VOLGENS DE LEEFTIJD
出版：Belgian Standards
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基本信息
标准编号： NBN EN ISO 7029 : 1ED 2000
标准类别：Standard
出版单位：Belgian Standards
标准页数：0
标准简介
Describes statistics of the hearing threshold for populations of various ages. Applies for the range of audiometric frequencies from 125 Hz to 8 000 Hz and for populations of otologically normal persons of a specified age, between the ages of 18 and 70. Specifies the expected median value of hearing thresholds given relative to the median hearing threshold at the age of 18 years, and the expected statistical distribution above and below the median value.
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