ELECTROACOUSTICS - AUDIOMETRIC EQUIPMENT - PART 6: INSTRUMENTS FOR THE MEASUREMENT OF OTOACOUSTIC EMISSIONS
International Electrotechnical Committee
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements for specific instruments
5 General specifications
5.1 Acoustic stimulus system
5.1.1 General requirements
5.1.2 Stimulus types
5.1.3 Stimulus frequency range
5.1.4 Stimulus level
5.1.5 Harmonic distortion
5.2 Test quality assuring system
5.2.1 General
5.2.2 Test quality assurance
5.2.3 Individual stimulus recordings
5.3 Measuring system
5.3.1 Units of measurement
5.3.2 Measurement range
5.3.3 Accuracy of measurement
5.3.4 Frequency range
5.3.5 Noise reduction
5.3.6 Response detection
5.3.7 Quality estimates
5.3.8 Normative values
5.4 Presentation of results
5.4.1 General
5.4.2 Primary results
5.4.3 Secondary results
6 Demonstration of conformity with specifications
6.1 General
6.2 Probe signal
6.2.1 Probe signal spectrum
6.2.2 Probe signal level and harmonic distortion
6.3 Maximum permitted expanded uncertainty of
measurements U[max]
6.4 Function of the complete system
7 General requirements
7.1 Marking
7.2 Instruction manual
7.3 Safety requirements
7.4 Immunity to power and radiofrequency fields
7.5 Warm-up time
7.6 Voltage supply variation and environmental conditions
7.6.1 Mains operation
7.6.2 Battery operation
7.6.3 Environmental conditions
8 Additional characteristics to be specified by the
manufacturer
9 Routine calibration
Bibliography
Applicable to instruments designed primarily for the measurement of otoacoustic emissions in the human external acoustic meatus evoked by acoustic probe pulses or tones.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 29 |
