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BSI
BS EN 60118-15:2012

BS EN 60118-15:2012

Current

Current

The latest, up-to-date edition.

Electroacoustics. Hearing aids Methods for characterising signal processing in hearing aids with a speech-like signal

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-05-2012

Publisher

British Standards Institution

INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Limitations
5 Setup
6 Test equipment
7 Test conditions
8 Measurements and analysis
9 Data presentation
Annex A (informative) - International speech
        test signal (ISTS)
Bibliography
Annex ZA (normative) - Normative references
         to international publications with
         their corresponding European
         publications

Specifies a test signal designed to represent normal speech, the International Speech Test Signal (ISTS), together with the procedures and the requirements for measuring the characteristics of signal processing in air-conduction hearing aids.

IEC 60118-15:2012 specifies a test signal designed to represent normal speech, the International Speech Test Signal (ISTS), together with the procedures and the requirements for measuring the characteristics of signal processing in air-conduction hearing aids. The measurements are used to derive the estimated insertion gain (EIG). For the purposes of characterizing a hearing aid for production, supply and delivery, the procedures and requirements to derive the coupler gain on a 2 cm 3 coupler as defined in IEC 60318-5 are also specified. The purpose of this standard is to ensure that the same measurements made on a hearing aid following the procedures described, and using equipment complying with these requirements, give substantially the same results. Measurement methods that take into account the acoustic coupling of a hearing aid to the individual ear and the acoustic influence of the individual anatomical variations of an end-user on the acoustical performance of the hearing aid, known as real-ear measurements, are outside the scope of this particular standard.

Committee
EPL/29
DevelopmentNote
Supersedes 09/30206924 DC. (05/2012)
DocumentType
Standard
Pages
36
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
EN 60118-15:2012 Identical
IEC 60118-15:2012 Identical

IEC 60318-4:2010 Electroacoustics - Simulators of human head and ear - Part 4: Occluded-ear simulator for the measurement of earphones coupled to the ear by means of ear inserts
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
EN 60118-7:2005 Electroacoustics - Hearing aids - Part 7: Measurement of the performance characteristics of hearing aids for production, supply and delivery quality assurance purposes
EN 60118-8:2005 Electroacoustics - Hearing aids - Part 8: Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions
IEC 60318-5:2006 Electroacoustics - Simulators of human head and ear - Part 5: 2 cm<sup>3</sup> coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts
IEC 61669:2015 Electroacoustics - Measurement of real-ear acoustical performance characteristics of hearing aids
IEC 60118-8:2005 Electroacoustics - Hearing aids - Part 8: Methods of measurement of performance characteristics of hearing aids under simulated [<i>in situ</i>] working conditions
ANSI/ASA S3.22:2014 SPECIFICATION OF HEARING AID CHARACTERISTICS
IEC 61260:1995 Electroacoustics - Octave-band and fractional-octave-band filters
EN 60318-5 : 2006 ELECTROACOUSTICS - SIMULATORS OF HUMAN HEAD AND EAR - PART 5: 2 CM[3] COUPLER FOR THE MEASUREMENT OF HEARING AIDS AND EARPHONES COUPLED TO THE EAR BY MEANS OF EAR INSERTS
IEC 60118-0:2015 Electroacoustics - Hearing aids - Part 0: Measurement of the performance characteristics of hearing aids
EN 61260:1995/A1:2001 ELECTROACOUSTICS - OCTAVE-BAND AND FRACTIONAL-OCTAVE-BAND FILTERS
EN 60318-4:2010 Electroacoustics - Simulators of human head and ear - Part 4: Occluded-ear simulator for the measurement of earphones coupled to the ear by means of ear inserts

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