BS EN 60645-4:1995
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 Equipment for extended high-frequency audiometry
Hardcopy , PDF
28-02-2015
English
15-08-1995
Committees responsible
National foreword
Foreword
1. Scope
2. Normative references
3. Explanation of terms
4. Facilities on extended high-frequency audiometers
5. General requirements
6. Test signals
6.1 Test signal frequencies
6.2 Frequency accuracy
6.3 Test signal level range for earphones
6.4 Masking sounds
7. Signal level control
7.1 Marking
7.2 Accuracy
7.3 Tone switching
7.4 Masking level
8. Unwanted sound
9. Transducers
9.1 Earphones
9.2 Loudspeaker
9.3 Bone vibrator
10. Audiogram format
10.1 Extended high-frequency audiogram
10.2 Combined audiogram
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