CEI EN 60645-2 : 1997
Current
The latest, up-to-date edition.
AUDIOMETERS - PART 2: EQUIPMENT FOR SPEECH AUDIOMETRY
Hardcopy , PDF
English
01-01-1997
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FOREWORD
INTRODUCTION
1. Scope and object
2. Normative references
3. Definitions
4. General requirements
5. Minimum 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 and vibratory force level
10. Frequency response
11. Harmonic distortion
12. Signal-to-noise ratio
13. Masking sound
14. Monitor earphone or loudspeaker
15. Talkback system
16. Interrupter switches
17. Marking and instruction manual
Annex A (Informative) - correction figures for free
field equivalent output for certain types
of commonly used earphones
ANNEX ZA (Normative) - normative references
to international publications
with their corresponding
european publications
Describes the requirements for audiometers or parts thereof designed to provide a means of presenting speech sounds to a subject in a standardized manner, for example for the measurement of speech recognition.
| Committee |
CT 29/87
|
| DevelopmentNote |
Classificazione CEI 29-31 (09/2001) To be used in conjunction with CEI EN 60645-1:1995. (06/2005)
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
Comitato Elettrotecnico Italiano
|
| Status |
Current
|
| Standards | Relationship |
| IEC 60645-2:1993 | Identical |
| EN 60645-2:1997 | Identical |
| EN 60645-1:2017 | Electroacoustics - Audiometric equipment - Part 1: Equipment for pure-tone and speech audiometry |
| IEC 60373:1990 | Mechanical coupler for measurements on bone vibrators |
| ISO 266:1997 | Acoustics — Preferred frequencies |
| IEC 60645-1:2017 | Electroacoustics - Audiometric equipment - Part 1: Equipment for pure-tone and speech audiometry |
| IEC 60268-7:2010 | Sound system equipment - Part 7: Headphones and earphones |
| HD 590 : 200S1 | MECHANICAL COUPLER FOR MEASUREMENTS ON BONE VIBRATORS |
| IEC 60318:1970 | An IEC artificial ear, of the wide band type, for the calibration of earphones used in audiometry |
| IEC 60225:1966 | Octave, half-octave and third-octave band filters intended for the analysis of sounds and vibrations |
| EN 60651:1994/A2:2001 | SOUND LEVEL METERS (IEC 60651:1979/A2:2000) |
| IEC 60651:1979+AMD1:1993+AMD2:2000 CSV | Sound level meters |
| HD 483.17 : 200S1 | SOUND SYSTEM EQUIPMENT - STANDARD VOLUME INDICATORS |
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