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ACOUSTICS - STATISTICAL DISTRIBUTION OF HEARING THRESHOLDS OF OTOLOGICALLY NORMAL PERSONS IN THE AGE RANGE FROM 18 YEARS TO 25 YEARS UNDER FREE-FIELD LISTENING CONDITIONS
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Published date: 11-07-2012
Publisher: Ente Nazionale Italiano di Unificazione (UNI)
ForewordIntroduction1 Scope2 Normative references3 Calculation of percentiles of hearing threshold distributionAnnex A (informative) - Numerical examples to illustrate the procedureAnnex B (informative) - Selected values of the statistical distribution of hearing thresholds of otologically normal persons in the age range 18 years to 25 years inclusiveAnnex C (informative) - Selected values of z[x]Annex D (informative) - Notes on the derivation of the statistical distribution of the normal hearing thresholdsBibliography
This Standard provides descriptive statistics, percentiles, of the hearing threshold distribution whose mean is the reference threshold value specified in ISO 226 and ISO 389-7.
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