EN 60645-2:1997
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Audiometers - Part 2: Equipment for speech audiometry
01-02-2022
24-01-1997
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
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