AS 1088.3-1987
AS 1088.3-1987
Hearing aids Hearing aid equipment not entirely worn on the listener
Standards Australia
Table of Contents
<toc>
<bookmarktable>
<bookmark index='0'>
<pageno>1</pageno>
<text>AS 1088.3-1987 HEARING AIDS - HEARING AID EQUIPMENT NOT ENTIRELY WORN ON THE LISTENER</text>
<bookmark index='1'>
<pageno>4</pageno>
<text>PREFACE</text>
</bookmark>
<bookmark index='2'>
<pageno>4</pageno>
<text>CONTENTS</text>
</bookmark>
<bookmark index='3'>
<pageno>5</pageno>
<text>1. Scope</text>
</bookmark>
<bookmark index='4'>
<pageno>5</pageno>
<text>2. Object</text>
</bookmark>
<bookmark index='5'>
<pageno>6</pageno>
<text>3. Test equipment</text>
<bookmark index='6'>
<pageno>6</pageno>
<text>3.1 General</text>
</bookmark>
<bookmark index='7'>
<pageno>6</pageno>
<text>3.2 Acoustic requirements for testing microphones</text>
</bookmark>
<bookmark index='8'>
<pageno>6</pageno>
<text>3.3 Acoustic couplers</text>
</bookmark>
</bookmark>
<bookmark index='9'>
<pageno>6</pageno>
<text>4. Test procedure</text>
<bookmark index='10'>
<pageno>6</pageno>
<text>4.1 Normal operating conditions for equipment</text>
</bookmark>
<bookmark index='11'>
<pageno>7</pageno>
<text>4.2 Basic frequency response</text>
</bookmark>
<bookmark index='12'>
<pageno>7</pageno>
<text>4.3 Maximum acoustic gain</text>
</bookmark>
<bookmark index='13'>
<pageno>7</pageno>
<text>4.4 Output attenuator</text>
</bookmark>
<bookmark index='14'>
<pageno>7</pageno>
<text>4.5 Internal noise</text>
</bookmark>
<bookmark index='15'>
<pageno>7</pageno>
<text>4.6 Electrical input sensitivity</text>
</bookmark>
<bookmark index='16'>
<pageno>8</pageno>
<text>4.7 Electrical output</text>
</bookmark>
<bookmark index='17'>
<pageno>8</pageno>
<text>4.8 Visual monitoring device</text>
</bookmark>
<bookmark index='18'>
<pageno>8</pageno>
<text>4.9 Non-linear distortion</text>
</bookmark>
</bookmark>
<bookmark index='19'>
<pageno>9</pageno>
<text>5. Relation between transmitting and receiving devices in case of wireless transmission</text>
</bookmark>
<bookmark index='20'>
<pageno>9</pageno>
<text>6. Power supply</text>
<bookmark index='21'>
<pageno>9</pageno>
<text>6.1 Mains supply voltage variation</text>
</bookmark>
<bookmark index='22'>
<pageno>9</pageno>
<text>6.2 Battery operation</text>
</bookmark>
</bookmark>
<bookmark index='23'>
<pageno>9</pageno>
<text>7. Safety requirements</text>
</bookmark>
</bookmark>
</bookmarktable>
</toc>
Abstract
Describes a method of determining the overall electroacoustic performance of hearing aid equipment not entirely worn on the listener, used in the rehabilitation of persons having impaired hearing. Technically identical with IEC Publication 118-3.
Scope
The purpose of this standard is to describe a method of determining the overall electroacoustic performance of hearing aid equipment not entirely worn on the listener, used in the rehabilitation of persons having impaired hearing.
General Product Information
| Document Type | Standard |
| Status | Current |
| Publisher | Standards Australia |
| Committee | AV-003 |
| Under Revision |
|
| Supersedes |
|
