10/30213857 DC : 0
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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BS ISO 8253-3 - ACOUSTICS - AUDIOMETRIC TEST METHODS - PART 3: SPEECH AUDIOMETRY
Hardcopy , PDF
31-03-2012
English
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Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Requirements for speech recognition test material
5 Evaluation of speech recognition test
6 Reporting of speech signal level
7 Contralateral masking noise level
8 Ambient sound pressure levels in test room for speech
audiometry
9 Sound field speech audiometry
10 Preparation and instruction of test subject
11 Subject's response mode
12 Determination of speech detection threshold level
13 Determination of speech recognition threshold level
14 Determination of speech recognition scores
15 Contralateral masking
16 Speech recognition with competing sound
17 Format of speech audiogram
18 Measurement uncertainty
19 Maintenance and calibration of equipment
Annex A (informative) - Example of speech materials
Annex B (informative) - Examples of competing sound
conditions
Annex C (informative) - Typical results
Annex D (informative) - Optimisation of perceptual
equivalence of test lists
Annex E (informative) - Measurement uncertainty
Annex F (informative) - Reference equivalent threshold
sound pressure levels for speech recognition for
specific earphones
Annex G (informative) - Derivation and application of
the speech sound pressure levels
Annex H (informative) - Correction figures for free-field
equivalent output for certain types of earphones
Bibliography
BS ISO 8253-3
| Committee |
EH/1
|
| DocumentType |
Draft
|
| Pages |
47
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| 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 |
| IEC 60050-801:1994 | International Electrotechnical Vocabulary (IEV) - Part 801: Acoustics and electroacoustics |
| 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 61260:1995 | Electroacoustics - Octave-band and fractional-octave-band filters |
| IEC 60645-2:1993 | Audiometers - Part 2: Equipment for speech audiometry |
| 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 8253-2:2009 | Acoustics Audiometric test methods Part 2: Sound field audiometry with pure-tone and narrow-band test signals |
| 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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