DIN ISO 12124 E : 2002
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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 <br>2 Normative references<br>3 Terms and definitions<br>4 Limitations<br>5 Conditions for test environment<br> 5.1 Environmental conditions<br> 5.2 Ambient background noise<br> 5.3 Acoustical properties<br> 5.4 Sound field characteristics<br>6 Preparation of subject<br> 6.1 Otoscopic examination<br> 6.2 Position of subject<br> 6.3 Instructions to subject<br>7 Measurement procedure<br> 7.1 Equipment<br> 7.2 Calibration<br> 7.3 Equalization methods<br> 7.4 Test signal<br> 7.5 Location of the subject<br> 7.6 Location of the tester<br> 7.7 Choice of field reference point<br> 7.8 Choice of measurement point<br> 7.9 Location and coupling of the hearing aid<br> 7.10 Real-ear unaided response (REUR) curve<br> 7.11 Real-ear unaided gain (REUG) curve<br> 7.12 Real-ear occluded response (REOR) curve<br> 7.13 Real-ear occluded gain (REOG) curve<br> 7.14 Real-ear aided response (REAR) curve<br> 7.15 Real-ear aided gain (REAG) curve<br> 7.16 Real-ear insertion gain (REIG) curve<br>8 Data to be recorded<br>Annex<br>A Positioning the probe microphone sound inlet at the<br> measurement point<br>Bibliography
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