10/30217127 DC : 0
Current
The latest, up-to-date edition.
BS EN 60645-2 ED 2 - AUDIOMETRIC EQUIPMENT - PART 2: EQUIPMENT FOR SPEECH AUDIOMETRY
Hardcopy , PDF
English
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FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Definitions
4 General requirements
5 Requirements for specific types of audiometers
6 Reference conditions for specification, testing
and calibration of speech audiometers
7 Signal level indicator
8 Output level control for speech signals
9 Output sound pressure level
10 Frequency response
11 Harmonic distortion
12 Signal-to-noise ratio
13 Masking sound
14 Marking and instruction manual
BS EN 60645-2 ED 2
| Committee |
EPL/29
|
| DocumentType |
Draft
|
| Pages |
16
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| 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 |
| ISO 389-4:1994 | Acoustics Reference zero for the calibration of audiometric equipment Part 4: Reference levels for narrow-band masking noise |
| IEC 60318-3:2014 | Electroacoustics - Simulators of human head and ear - Part 3: Acoustic coupler for the calibration of supra-aural earphones used in audiometry |
| ISO 266:1997 | Acoustics — Preferred frequencies |
| IEC 60645-1:2017 | Electroacoustics - Audiometric equipment - Part 1: Equipment for pure-tone and speech audiometry |
| ISO 8253-3:2012 | Acoustics Audiometric test methods Part 3: Speech audiometry |
| IEC 60268-7:2010 | Sound system equipment - Part 7: Headphones and earphones |
| 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 |
| ISO 389-1:1998 | Acoustics Reference zero for the calibration of audiometric equipment Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones |
| ISO 8253-1:2010 | Acoustics Audiometric test methods Part 1: Pure-tone air and bone conduction audiometry |
| IEC 60268-17:1990 | Sound system equipment. Part 17: Standard volume indicators |
| IEC 60318-1:2009 | Electroacoustics - Simulators of human head and ear - Part 1: Ear simulator for the measurement of supra-aural and circumaural earphones |
| ISO/IEC Guide 98-3:2008 | Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995) |
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