DIN ISO 12124:2002-09
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
PROCEDURES FOR THE MEASUREMENT OF REAL-EAR ACOUSTICAL CHARACTERISTICS OF HEARING AIDS
Hardcopy , PDF
01-10-2016
English
01-01-2002
1 Scope
2 Normative references
3 Terms and definitions
4 Limitations
5 Conditions for test environment
5.1 Environmental conditions
5.2 Ambient background noise
5.3 Acoustical properties
5.4 Sound field characteristics
6 Preparation of subject
6.1 Otoscopic examination
6.2 Position of subject
6.3 Instructions to subject
7 Measurement procedure
7.1 Equipment
7.2 Calibration
7.3 Equalization methods
7.4 Test signal
7.5 Location of the subject
7.6 Location of the tester
7.7 Choice of field reference point
7.8 Choice of measurement point
7.9 Location and coupling of the hearing aid
7.10 Real-ear unaided response (REUR) curve
7.11 Real-ear unaided gain (REUG) curve
7.12 Real-ear occluded response (REOR) curve
7.13 Real-ear occluded gain (REOG) curve
7.14 Real-ear aided response (REAR) curve
7.15 Real-ear aided gain (REAG) curve
7.16 Real-ear insertion gain (REIG) curve
8 Data to be recorded
Annex
A Positioning the probe microphone sound inlet at the
measurement point
Bibliography
Specifies procedures and requirements for measuring the real-ear acoustical characteristics of hearing aids.
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
German Institute for Standardisation (Deutsches Institut für Normung)
|
| Status |
Withdrawn
|
| Standards | Relationship |
| ISO 12124:2001 | Identical |
| 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 |
| IEC 60942:2003 | Electroacoustics - Sound calibrators |
| IEC 60050-801:1994 | International Electrotechnical Vocabulary (IEV) - Part 801: Acoustics and electroacoustics |
| IEC 61669:2015 | Electroacoustics - Measurement of real-ear acoustical performance characteristics of hearing aids |
| IEC 60118-0:2015 | Electroacoustics - Hearing aids - Part 0: Measurement of the performance characteristics of hearing aids |
| ISO 8253-2:2009 | Acoustics Audiometric test methods Part 2: Sound field audiometry with pure-tone and narrow-band test signals |
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