ANSI/ASA S3.21-2004
Methods for Manual Pure-Tone Threshold Audiometry

Standard No.

ANSI/ASA S3.21-2004

Release Date

2004

Published By

American National Standards Institute （ANSI)

Latest

ANSI/ASA S3.21-2004

Scope

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.

ANSI/ASA S3.21-2004 history

• 2004 ANSI/ASA S3.21-2004 Methods for Manual Pure-Tone Threshold Audiometry