ASA S3.21 2004 R2019
$68.25
ANSI/ASA S3.21-2004 (R2019) American National Standard Methods for Manual Pure-Tone Threshold Audiometry
| Published By | Publication Date | Number of Pages |
| ASA | 2004 |
None
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 11 | 1 Scope 1.1 Purpose of standard 1.2 Limit of standard 1.3 Modifications of standard procedures 1.4 Source 2 Normative References |
| 12 | 3 Definitions |
| 14 | 4 General Requirements 4.1 Ear canal 4.2 Earphone placement 4.3 Instructions 4.4 Response task 4.5 Interpretation of response |
| 15 | 4.5.1 On response and off response 4.5.2 Latency of response 4.5.3 False responses 5 Determination of threshold 5.1 Familiarization procedure 5.2 Determination of threshold 5.2.1 Tone duration 5.2.2 Interval between tones |
| 16 | 5.2.3 Level of first presentation 5.2.4 Levels of succeeding presentations 5.2.5 Threshold of hearing 6 Standard Procedures for Air-Conduction Measures 6.1 Test environment 6.2 Instrumentation and calibration 6.3 Frequency 6.4 Order 6.5 Masking in air-conduction audiometry |
| 17 | 6.6 Recording of result 6.6.1 Audiogram form 6.6.2 Audiogram Symbols 6.6.3 Other information ii 7 Standard Procedures for Bone-Conduction Measures in Diagnostic Audiometry 7.1 Instrumentation 7.2 Calibration 7.3 Vibrator placement 7.4 Covering of ear |
| 18 | 7.5 Frequencies 7.6 Order 7.7 Masking 7.8 Recording of results |
| 19 | Annex A A.1 Air-conduction symbols A.2 Bone-conduction symbols A.3 Symbols representation A.4 Multiple notation A.5 No response |
| 20 | A.6 Separate forms A.7 Lines connecting symbols A.8 Color coding |
| 22 | Annex B B.1 General information |
