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This Standard provides a procedure for pure-tone audiometry that will serve the needs of persons conducting threshold measurements in industry, schools, medical settings, and other areas where valid audiometric threshold measurements are needed.
Author | Acoustical Society of America (ASA) |
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Editor | ASA |
Document type | Standard |
Format | File |
Confirmation date | 2009-04-16 |
ICS | 13.140 : Noise with respect to human beings
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Number of pages | 13 |
Replace | ANSI S 3.21 (1978) |
Year | 2004 |
Document history | ANSI/ASA S 3.21 (2004) |
Country | USA |
Keyword | ANSI 3;ANSI/ASA S 3;ANSI/ASA 3;3;ANSI S 3.21;ANSI/ASA S3.21-2004 (R2009) |