ASA S1 11 PART 3-2016 AMERICAN NATIONAL STANDARD Electroacoustics C Octave-band and Fractional-octave-band Filters C Part 3 Periodic Tests (a nationally adopted international stand.pdf
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1、 ANSI/ASA S1.11-2016/Part 3 / IEC 61260-3:2016 AMERICAN NATIONAL STANDARD Electroacoustics Octave-band and Fractional-octave-band Filters Part 3: Periodic Tests (a nationally adopted international standard) Accredited Standards Committee S1, Acoustics Standards Secretariat Acoustical Society of Amer
2、ica 1305 Walt Whitman Road, Suite 300 Melville, NY 11747 ANSI/ASAS1.11-2016/Part3/IEC61260-3:2016 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 st
3、andards. 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. ANSI/ASA S1.11-2016/Part 3 / IEC 61260-3:2016 AMERICAN NATIONAL STANDARD Electroacoustics Octav
4、e-band and fractional-octave-band Filters Part 3: Periodic Tests Secretariat: Acoustical Society of America Approved on July 19, 2016 by: American National Standards Institute, Inc. Abstract This part describes procedures for periodic testing of octave-band and fractional-octave-band filters that we
5、re designed to conform to the class 1 or class 2 specifications given in ANSI/ASA S1.11-2014/Part 1/IEC 61260-1:2014. The aim of this standard is to ensure that periodic testing is performed in a consistent manner by all laboratories. AMERICAN NATIONAL STANDARDS ON ACOUSTICS The Acoustical Society o
6、f America (ASA) provides the Secretariat for Accredited Standards Committees S1 on Acoustics, S2 on Mechanical Vibration and Shock, S3 on Bioacoustics, S3/SC 1 on Animal Bioacoustics, and S12 on Noise. These committees have wide representation from the technical community (manufacturers, consumers,
7、trade associations, organizations with a general interest, and government representatives). The standards are published by the Acoustical Society of America as American National Standards after approval by their respective Standards Committees and the American National Standards Institute (ANSI). Th
8、ese standards are developed and published as a public service to provide standards useful to the public, industry, and consumers, and to Federal, State, and local governments. Each of the Accredited Standards Committees (operating in accordance with procedures approved by ANSI) is responsible for de
9、veloping, voting upon, and maintaining or revising its own standards. The ASA Standards Secretariat administers Committee organization and activity and provides liaison between the Accredited Standards Committees and ANSI. After the standards have been produced and adopted by the Accredited Standard
10、s Committees, and approved as American National Standards by ANSI, the ASA Standards Secretariat arranges for their publication and distribution. An American National Standard implies a consensus of those substantially concerned with its scope and provisions. Consensus is established when, in the ju
11、dgment of the ANSI Board of Standards Review, substantial agreement has been reached by directly and materially affected interests. Substantial agreement means much more than a simple majority, but not necessarily unanimity. Consensus requires that all views and objections be considered and that a c
12、oncerted effort be made towards their resolution. The use of an American National Standard is completely voluntary. Their existence does not in any respect preclude anyone, whether he or she has approved the standards or not, from manufacturing, marketing, purchasing, or using products, processes, o
13、r procedures not conforming to the Standards. NOTICE: This American National Standard may be revised or withdrawn at any time. The procedures of the American National Standards Institute require that action be taken periodically to reaffirm, revise, or withdraw this Standard. Acoustical Society of A
14、merica Standards Secretariat 1305 Walt Whitman Road, Suite 300 Melville, New York 11747 Telephone: 1 (631) 390-0215 Fax: 1 (631) 923-2875 E-mail: asastdsacousticalsociety.org 2016 by Acoustical Society of America. This standard may not be reproduced in whole or in part in any form for sale, promotio
15、n, or any commercial purpose, or any purpose not falling within the provisions of the U.S. Copyright Act of 1976, without prior written permission of the publisher. For permission, address a request to the Standards Secretariat of the Acoustical Society of America. These materials are subject to cop
16、yright claims of IEC and ASA. No part of this publication may be reproduced in any form, including an electronic retrieval system, without the prior written permission of the Acoustical Society of America (ASA). All requests pertaining to this standard should be submitted to the ASA Standards Secret
17、ariat. 2016 Acoustical Society of AmericaAll rights reserved i Contents 1 Scope 1 2 Normative references . 1 3 Terms and definitions . 2 4 Submission for testing 2 5 Conformance 2 6 Preliminary inspection 3 7 Power supply 3 8 Environmental conditions 3 9 Mandatory facilities and general requirements
18、 . 3 9.1 General . 3 9.2 Test instruments . 5 10 Test of relative attenuation at midband frequency or effective bandwidth deviation 5 10.1 General . 5 10.2 Tests of relative attenuation at midband frequency . 5 10.3 Test of effective bandwidth deviation . 5 11 Linear operating range, measurement ran
19、ge, level range control and overload indicator 6 12 Test of lower limit of linear operating range . 7 13 Measurement of relative attenuation . 7 14 Documentation 9 Annex A (informative) Uncertainty related to test by sinusoidal sweeps . 11 General . 11 Digitally generated signal . 12 Test signal fro
20、m a signal generator 12 Comparing measurements . 13 Annex B (informative) Test of effective bandwidth deviation with the use of an exponential sweep Example 14 General . 14 Example 14 Annex C (informative) Normalized frequencies for test of one-third-octave-band filters . 16 General . 16 Example cal
21、culation 16 Bibliography . 18 Tables Table 1 Frequency parameter R and acceptance limits on relative attenuation for fractional-octave-band filters 8 Table C.1 Normalized test frequencies and acceptance limits on relative attenuation for one-third-octave-band filters 17 ii 2016 Acoustical Society of
22、 AmericaAll rights reserved Foreword This Foreword is for information only, and is not a part of the American National Standard ANSI/ASA S1.11-2016/Part 3/IEC 61260-3:2016 American National Standard Electroacoustics Octave-band and Fractional-octave-band Filters Part 3: Periodic Tests. As such, this
23、 Foreword may contain material that has not been subjected to public review or a consensus process. In addition, it does not contain requirements necessary for conformance to the standard. This standard comprises a part of a group of definitions, standards, and specifications for use in acoustics. I
24、t was developed and approved by Accredited Standards Committee S1 Acoustics, under its approved operating procedures. Those procedures have been accredited by the American National Standards Institute (ANSI). The Scope of Accredited Standards Committee S1 is as follows: Standards, specifications, me
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