ASA S3.46 2013 R2018
$79.63
ANSI/ASA S3.46-2013 (R2018) American National Standard Methods of Measurement of Real-Ear Performance Characteristics of Hearing Aids
| Published By | Publication Date | Number of Pages |
| ASA | 2013 | 44 |
None
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 13 | 1 Scope, purpose, and applications 1.1 Scope 1.2 Purpose 1.3 Applications 2 Normative references |
| 14 | 3 Definition of terms 3.1 Definition of terms relating to the sound field |
| 16 | 3.2 Definition of terms relating to the subject 3.3 Definition of terms relating to the stimulus |
| 18 | 3.4 Definition of terms relating to measurement and analysis |
| 19 | 4 Test equipment 4.1 Introduction 4.2 Test space |
| 20 | 4.3 Sound-field source |
| 21 | 4.4 Equipment for the measurement of SPL or BSPL |
| 22 | 5 Test conditions 5.1 Reporting of test parameters |
| 23 | 5.2 Ambient conditions 5.3 Choice of test point 5.4 Location of the operator 5.5 Location of the subject 5.6 Location of the hearing aid 5.7 Operating conditions for the hearing aid |
| 24 | 6 Recommended measurement procedures 6.1 Calibration 6.2 Inspection of the ear canal 6.3 Equalization |
| 25 | 6.4 Choice of stimulus level 6.5 Choice of measurement point 6.6 Real-ear unaided response (REUR) or real-ear unaided gain (REUG |
| 26 | 6.7 Real-ear occluded response (REOR) or real-ear occluded gain (REOG 6.8 Real-ear aided response (REAR) or real-ear aided gain (REAG |
| 27 | 6.9 Real-ear insertion gain (REIG 6.10 Real-ear to coupler difference (RECD 6.11 Real-ear to dial difference (REDD |
| 29 | Annex A (Informative) Characteristics of acoustic stimuli A.1 Introduction A.2 Narrow-band stimuli A.3 Pure tones ii © 2013 Acoustical Society of America – All rights reserved A.4 Warble tones A.5 Narrow-band noise |
| 30 | A.6 Tone burst A.7 Broad-band stimuli A.8 Pseudo-random noise A.9 Chirp |
| 31 | A.10 Click A.11 Maximum length sequence A.12 Random noise A.13 Speech-like |
| 32 | Annex B (Informative) Locating the probe microphone sound inlet at the measurement point B.1 Introduction B.2 Visually assisted positioning B.3 Acoustically assisted positioning |
| 33 | B.4 Acoustical positioning B.5 Geometrical positioning |
| 34 | Annex C (Informative) Issues in RECD measurement and application C.1 Introduction C.2 Influence of the coupled sound source |
| 37 | C.3 Estimating ear canal SPL produced by a hearing aid |
| 39 | C.4 Adjusting an HL audiogram obtained with an insert earphone and a standard eartip |
| 40 | C.5 Correcting an HL audiogram obtained with an insert earphone and a custom earmold |
| 42 | Bibliography |
