CEI EN 60118-8 : 2006
Current
The latest, up-to-date edition.
ELECTROACOUSTICS - HEARING AIDS - PART 8: METHODS OF MEASUREMENT OF PERFORMANCE CHARACTERISTICS OF HEARING AIDS UNDER SIMULATED IN SITU WORKING CONDITIONS
Hardcopy , PDF
English - Italian
01-02-2006
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Limitations
5 Test equipment
6 Test conditions
7 Measurements
8 Frequency response recording charts
9 Maximum permitted expanded uncertainty of measurements
Annex A (normative) - Free-field to hearing-aid-microphone
transformation
Annex B (normative) - Manikin unoccluded-ear gain
(open ear response)
Annex C (informative) - General requirements for a manikin
Bibliography
Annex ZA (normative) - Normative references to international
publications with their corresponding
European publications
This standard describes test methods for simulating the performance of hearing aids worn by an average adult.
| Committee |
CT 29/87
|
| DevelopmentNote |
Classificazione CEI 29-49. (03/2006)
|
| DocumentType |
Standard
|
| Pages |
64
|
| PublisherName |
Comitato Elettrotecnico Italiano
|
| Status |
Current
|
| Standards | Relationship |
| IEC 60118-8:2005 | Identical |
| EN 60118-8:2005 | Identical |
| EN 60118-0:2015 | Electroacoustics - Hearing aids - Part 0: Measurement of the performance characteristics of hearing aids |
| IEC 60118-7:2005 | Electroacoustics - Hearing aids - Part 7: Measurement of the performance characteristics of hearing aids for production, supply and delivery quality assurance purposes |
| HD 443 : 200S1 | OCCLUDED-EAR SIMULATOR FOR THE MEASUREMENT OF EARPHONES COUPLED TO THE EAR BY EAR INSERTS |
| IEC 60711:1981 | Occluded-ear simulator for the measurement of earphones coupled to the ear by ear inserts |
| IEC 60263:1982 | Scales and sizes for plotting frequency characteristics and polar diagrams |
| IEC TR 60959:1990 | Provisional head and torso simulator for acoustic measurements on air conduction hearing aids |
| IEC 60118-0:2015 | Electroacoustics - Hearing aids - Part 0: Measurement of the performance characteristics of hearing aids |
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