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Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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
English
01-09-2002
01-10-2016
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Withdrawn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 |
This standard has been withdrawn and is no longer current. No replacement edition is available.