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ANSI/ASA S3.44-2016/Part 1 / ISO 1999:2013 (MOD) American National Standard Acoustics - Estimation of Noise-induced Hearing Loss - Part 1: Method for Calculating Expected Noise-induced Permanent Threshold Shift (a modified nationally adopted international >
ANSI/ASA S3.44-2016/Part 1 / ISO 1999:2013 (MOD) American National Standard Acoustics - Estimation of Noise-induced Hearing Loss - Part 1: Method for Calculating Expected Noise-induced Permanent Threshold Shift (a modified nationally adopted international, 2016
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Principle
- 5 Description and measurement of noise exposure
- 6 Prediction of the effects of noise on hearing threshold
- 6.1 Statistical distribution of hearing threshold levels of a noise-exposed population
- 6.2 Databases for hearing threshold levels associated with age (HTLA
- 6.3 Calculation of noise-induced permanent threshold shift, N
- 7 Assessment of noise-induced hearing loss and disability
- 7.1 Hearing loss
- 7.2 Hearing disability
- 7.3 Risk of hearing disability
- Annex A (informative) Calculation of database A, statistical distribution of hearing thresholds as a function of age (HTLA) for an otologically normal population (highly screened
- A.1 Specification of database A
- A.2 Selected values from database A
- Annex B (informative) Examples for database B
- B.1 General
- B.2 Selected values from database B2
- B.3 Selected values from database B3
- B.4 Selected values from database B4
- Annex C (informative) Example of assessment of risk of noise-induced hearing loss and disability
- Annex D (informative) Tables with examples for NIPTS data
- Annex E (informative) Equivalent effective level
- E.1 Background
- E.2 Equivalent effective level (EEL
- E.3 User defined
- E.4 Justification of substituting an EEL for LEX,8h
- E.5 EEL defined by the 5-dB exchange rate
- Bibliography [Go to Page]