EN 61606-3-2008 en Audio and audiovisual equipment - Digital audio parts - Basic measurement methods of audio characteristics - Part 3 Professional use《音频和视听设备 数字音频部件 音频特性的基础测量方法 第.pdf
《EN 61606-3-2008 en Audio and audiovisual equipment - Digital audio parts - Basic measurement methods of audio characteristics - Part 3 Professional use《音频和视听设备 数字音频部件 音频特性的基础测量方法 第.pdf》由会员分享,可在线阅读,更多相关《EN 61606-3-2008 en Audio and audiovisual equipment - Digital audio parts - Basic measurement methods of audio characteristics - Part 3 Professional use《音频和视听设备 数字音频部件 音频特性的基础测量方法 第.pdf(48页珍藏版)》请在麦多课文档分享上搜索。
1、Audio and audiovisual equip-ment Digital audio parts Basic measurement methodsof audio characteristics Part 3: Professional useBS EN 61606-3:2008raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI British StandardsNational forewordThis British Standar
2、d is the UK implementation of EN 61606-3:2008. It isidentical to IEC 61606-3:2008.The UK participation in its preparation was entrusted to Technical CommitteeEPL/100, Audio, video and multimedia systems and equipment.A list of organizations represented on this committee can be obtained onrequest to
3、its secretary.This publication does not purport to include all the necessary provisions of acontract. Users are responsible for its correct application. BSI 2009ISBN 978 0 580 59552 3ICS 33.160.30BRITISH STANDARDBS EN 61606-3:2008Compliance with a British Standard cannot confer immunity fromlegal ob
4、ligations.This British Standard was published under the authority of the StandardsPolicy and Strategy Committee on 31 March 2009 Amendments issued since publicationAmd. No. Date Text affectedEUROPEAN STANDARD EN 61606-3 NORME EUROPENNE EUROPISCHE NORM November 2008 CENELEC European Committee for Ele
5、ctrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2008 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref
6、. No. EN 61606-3:2008 E ICS 33.160.30 English version Audio and audiovisual equipment - Digital audio parts - Basic measurement methods of audio characteristics - Part 3: Professional use (IEC 61606-3:2008) Equipements audio et audiovisuels - Parties audionumriques - Mthodes fondamentales pour la me
7、sure des caractristiques audio - Partie 3: Utilisations professionnelles (CEI 61606-3:2008) Audio- und audiovisuelle Gerte - Digitale Tonteile - Grundlegende Messverfahren der Audio-Eigenschaften - Teil 3: Professioneller Gebrauch (IEC 61606-3:2008) This European Standard was approved by CENELEC on
8、2008-11-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may
9、be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to t
10、he Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxemb
11、ourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 61606-3:2008EN 61606-3:2008 - 2 - Foreword The text of document 100/1428/FDIS, future edition 1 of IEC 61606-3, prepared by IEC TC 100, Audio, video and multi
12、media systems and equipment, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 61606-3 on 2008-11-01. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement
13、(dop) 2009-08-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2011-11-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 61606-3:2008 was approved by CENELEC as a European Standard without any modif
14、ication. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60268-3 NOTE Harmonized as EN 60268-3:2000 (not modified). IEC 61938 NOTE Harmonized as EN 61938:1997 (not modified). _ BS EN 61606-3:2008- 3 - EN 61606-3:2008 Annex ZA (normativ
15、e) Normative references to international publications with their corresponding European publications The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the refe
16、renced document (including any amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60268-1 -1)Sound system equipment - Part 1: General HD 483.1 S2 19892)IEC 60268-
17、2 -1)Sound system equipment - Part 2: Explanation of general terms and calculation methods HD 483.2 S2 19932)IEC 60958-1 -1)Digital audio interface - Part 1: General EN 60958-1 20082)IEC 61260 -1)Electroacoustics - Octave-band and fractional-octave-band filters EN 61260 19952)IEC 61606-1 -1)Audio an
18、d audiovisual equipment - Digital audio parts - Basic measurement methods of audio characteristics - Part 1: General EN 61606-1 20042)AES11 2003 AES recommended practice for digital audio engineering - Synchronization of digital audio equipment in studio operations - - 1)Undated reference. 2)Valid e
19、dition at date of issue. BS EN 61606-3:2008 2 61606-3 IEC:2008(E) CONTENTS 1 Scope.6 2 Normative references .6 3 Terms and definitions .7 4 Rated values 10 5 Measuring conditions10 5.1 Environmental conditions 10 5.2 Power supply.10 5.3 Test signal frequencies .11 5.4 Standard settings 11 5.5 Precon
20、ditioning .11 5.6 Measuring instruments 11 5.6.1 General .11 5.6.2 Signal generator 11 5.6.3 Signal analyzer12 6 Measurement methods .16 6.1 Overview .16 6.2 General characteristics16 6.2.1 Linear response.16 6.2.2 Amplitude non-linearity21 6.2.3 Noise.26 6.2.4 Interference products.28 6.2.5 Samplin
21、g effects30 6.3 Input/output characteristics .32 6.3.1 Analogue input characteristics .32 6.3.2 Analogue output characteristics.34 6.3.3 Digital input characteristics35 6.3.4 Digital output characteristics36 Annex A (normative) Alternative measurement methods 37 Bibliography41 Figure 1 Signal genera
22、tor 11 Figure 2 Wideband amplitude.13 Figure 3 In-band amplitude 13 Figure 4 Out-of-band amplitude .13 Figure 5 Selective amplitude13 Figure 6 Residual amplitude.13 Figure 7 Weighted amplitude .14 Figure 8 Gain method 16 Figure 9 Frequency response method 17 Figure 10 Maximum input and output amplit
23、ude method.18 Figure 11 Distortion-and-noise method 21 Figure 12 Distortion and noise versus frequency method .21 Figure 13 Distortion and noise versus amplitude method .22 BS EN 61606-3:200861606-3 IEC:2008(E) 3 Figure 14 Individual harmonic distortion method 22 Figure 15 Total harmonic distortion
24、method .22 Figure 16 Largest spurious signal method23 Figure 17 Intermodulation method23 Figure 18 Intermodulation method24 Figure 19 Amplitude-dependent gain method .25 Figure 20 Intrinsic signal modulation products method .25 Figure 21 Low-amplitude noise modulation method26 Figure 22 Idle-channel
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