ANSI S3.22: Specification of Hearing Aid Characteristics

By Authority Of

THE UNITED STATES OF AMERICA

Legally Binding Document

By the Authority Vested By Part 5 of the United States Code ? 552(a) and Part 1 of the Code of Regulations ? 51 the attached document has been duly INCORPORATED BY REFERENCE and shall be considered legally binding upon all citizens and residents of the United States of America. HEED THIS NOTICE: Criminal penalties may apply for noncompliance.

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Document Name: ANSI S3.22-2003: Specification of Hearing Aid Characteristics

CFR Section(s): 21 CFR 801.420

Date of Action: 73 FR 31360, June 2, 2008

Official Incorporator: THE EXECUTIVE DIRECTOR

OFFICE OF THE FEDERAL REGISTER WASHINGTON, D.C.

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AN8I 83.22-2003

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(Revision of ANSI S3.22-1996)

AMERICAN NATIONAL STANDARD

Specification of Hearing Aid Characteristics

Accredited Standards Committee S3, Bioacoustics

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Standards Secretariat Acoustical Society of America . 35 Pinelawn Road, Suite 114 E Melville, NY 11747-3177

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The American National Standards Institute, Inc. (ANSI) is the national coordinator of voluntary standards development and the clearinghouse in the U.S.A. for information on national and international standards.

The Acoustical Society of America (ASA) is an organization of scientists and engineers formed in 1929 to increase and diffuse the knowledge of acoustics and to promote its practical applications.

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Acoustical Society of America

OFFICE OF THE STANDARDS SECRETARIAT

Susan Blaeser Standards Manaaer

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Telephone (631) 390-0215

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E-mail

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Erratum to

ANSI 53.22-2003 American National Standard Specification of Hearing Aid Characteristics

In clause 6.11, Harmonic distortion, two equations are shown with a "v" where a square root sign" -,j" should appear. The equations should read:

= a) % T H D 100 J([P22 + p/ + p/ + ....] I p/)

b) % TH D = 100J([P22 + P32 + p/ + ....]1 [p/ + p/ + P32 + P42....])

Copyright Acoustical Society of America

Provided by lHS under license with ASA 17

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