DIN EN ISO 389-9:2009-12
Acoustics - Reference zero for the calibration of audiometric equipment - Part 9: Preferred test conditions for the determination of reference hearing threshold levels (ISO 389-9:2009); German version EN ISO 389-9:2009
| Fecha edición: |
2009-12-01
En Vigor
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|---|---|
| Idiomas disponibles: | Inglés, Alemán |
| Resumen: | This part of ISO 389 specifies test conditions for determining the hearing thresholds of subjects for the purpose of establishing standardized values for reference hearing threshold levels. Dieser Teil von ISO 389 legt Anforderungen an die Parameter fest, die während der Bestimmung von Hörschwellen von Versuchspersonen zum Zwecke der Festlegung von genormten Werten für Bezugs-Hörschwellenpegel einzustellen sind. |
| Keywords: | Acoustics|Air conduction hearing aids|Air tubes|Audiometers|Audiometry|Auditory threshold|Calibration|Electrical engineering|Headphones|Measurement|Measurement conditions|Measuring techniques|Noise bandwidths|Pure-tone audiometers|Reference conditions|Reference levels|Reference measuring methods|Sound pressure level|Specification (approval)|Testing conditions|Threshold value |
| ICS: | 13.140 - Ruido y sus efectos sobre las personas |
| CTN: | |
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Equivalencia Internacional |
Idéntica EN ISO 389-9:2009 Idéntica ISO 389-9:2009 |
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Reemplazo Normas |
Reemplaza a DIN ISO 389-9:2006-07 |










