1、 IEC 61603-8-1 Edition 1.0 2003-11 INTERNATIONAL STANDARD NORME INTERNATIONALE Transmission of audio and/or video and related signals using infrared radiation Part 8-1: Digital audio and related signals Transmission de signaux audio et/ou vido et de signaux similaires par rayonnement infrarouge Part
2、ie 8-1: Signaux audio numriques et similaires IEC 61603-8-1:2003 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2003 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mecha
3、nical, including photocopying and microfilm, without permission in writing from either IEC or IECs member National Committee in the country of the requester. If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication, please contact the add
4、ress below or your local IEC member National Committee for further information. Droits de reproduction rservs. Sauf indication contraire, aucune partie de cette publication ne peut tre reproduite ni utilise sous quelque forme que ce soit et par aucun procd, lectronique ou mcanique, y compris la phot
5、ocopie et les microfilms, sans laccord crit de la CEI ou du Comit national de la CEI du pays du demandeur. Si vous avez des questions sur le copyright de la CEI ou si vous dsirez obtenir des droits supplmentaires sur cette publication, utilisez les coordonnes ci-aprs ou contactez le Comit national d
6、e la CEI de votre pays de rsidence. IEC Central Office 3, rue de Varemb CH-1211 Geneva 20 Switzerland Email: inmailiec.ch Web: www.iec.ch About the IEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards for all e
7、lectrical, electronic and related technologies. About IEC publications The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the latest edition, a corrigenda or an amendment might have been published. Catalogue of IEC publications: www.iec
8、.ch/searchpub The IEC on-line Catalogue enables you to search by a variety of criteria (reference number, text, technical committee,). It also gives information on projects, withdrawn and replaced publications. IEC Just Published: www.iec.ch/online_news/justpub Stay up to date on all new IEC publica
9、tions. Just Published details twice a month all new publications released. Available on-line and also by email. Electropedia: www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing more than 20 000 terms and definitions in English and French, with equ
10、ivalent terms in additional languages. Also known as the International Electrotechnical Vocabulary online. Customer Service Centre: www.iec.ch/webstore/custserv If you wish to give us your feedback on this publication or need further assistance, please visit the Customer Service Centre FAQ or contac
11、t us: Email: csciec.ch Tel.: +41 22 919 02 11 Fax: +41 22 919 03 00 A propos de la CEI La Commission Electrotechnique Internationale (CEI) est la premire organisation mondiale qui labore et publie des normes internationales pour tout ce qui a trait llectricit, llectronique et aux technologies appare
12、ntes. A propos des publications CEI Le contenu technique des publications de la CEI est constamment revu. Veuillez vous assurer que vous possdez ldition la plus rcente, un corrigendum ou amendement peut avoir t publi. Catalogue des publications de la CEI: www.iec.ch/searchpub/cur_fut-f.htm Le Catalo
13、gue en-ligne de la CEI vous permet deffectuer des recherches en utilisant diffrents critres (numro de rfrence, texte, comit dtudes,). Il donne aussi des informations sur les projets et les publications retires ou remplaces. Just Published CEI: www.iec.ch/online_news/justpub Restez inform sur les nou
14、velles publications de la CEI. Just Published dtaille deux fois par mois les nouvelles publications parues. Disponible en-ligne et aussi par email. Electropedia: www.electropedia.org Le premier dictionnaire en ligne au monde de termes lectroniques et lectriques. Il contient plus de 20 000 termes et
15、dfinitions en anglais et en franais, ainsi que les termes quivalents dans les langues additionnelles. Egalement appel Vocabulaire Electrotechnique International en ligne. Service Clients: www.iec.ch/webstore/custserv/custserv_entry-f.htm Si vous dsirez nous donner des commentaires sur cette publicat
16、ion ou si vous avez des questions, visitez le FAQ du Service clients ou contactez-nous: Email: csciec.ch Tl.: +41 22 919 02 11 Fax: +41 22 919 03 00 IEC 61603-8-1 Edition 1.0 2003-11 INTERNATIONAL STANDARD NORME INTERNATIONALE Transmission of audio and/or video and related signals using infrared rad
17、iation Part 8-1: Digital audio and related signals Transmission de signaux audio et/ou vido et de signaux similaires par rayonnement infrarouge Partie 8-1: Signaux audio numriques et similaires INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE X ICS 33.040.20; 33.1
18、60.99 PRICE CODE CODE PRIX ISBN 978-2-88912-443-5 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale 2 61603-8-1 IEC:2003 CONTENTS FOREWORD . 5 1 Scope . 7 2 Normative references . 7 3 Terms, definitions and abbreviatio
19、ns 7 3.1 Terms and definitions 7 3.2 Abbreviations 8 4 System description . 8 4.1 General . 8 4.2 Area of application 9 4.3 Band allocation . 9 5 General characteristics . 11 5.1 Environment conditions for operation 11 5.2 Partition of functions between elements of the systems . 11 6 Specific requir
20、ements . 11 6.1 Block diagram . 11 6.2 Input and output 12 6.3 Carrier . 12 6.4 Sub-carrier 12 6.5 Channel allocation . 12 6.6 Block structure 14 6.7 Source stream . 14 6.8 Transmission stream . 19 6.9 Modulation 21 7 Characteristics and measurements . 26 7.1 Test conditions 26 7.2 Location 26 7.3 T
21、ransmitting distance and directivity 26 7.4 Spurious level . 28 7.5 Accuracy of transmission-check frequency 28 8 Marking and contents of specifications . 28 8.1 Marking . 28 8.2 Contents of specifications . 28 Annex A (normative) Application of the transmission systems for digital audio and related
22、 signals using infrared radiation in the consumer audio mode . 33 Annex B (normative) Application of the transmission systems for digital audio and related signals using infrared radiation in the professional audio mode . 42 Figure 1 System concept . 9 Figure 2 IEC 61603 band allocation . 10 Figure
23、3 Band allocation 10 Figure 4 Transmitter 11 Figure 5 Channel-coding block . 12 Figure 6 Channel allocation . 13 Figure 7 Block structure . 14 Figure 8 Source stream 15 61603-8-1 IEC:2003 3 Figure 9 Source_block stream 15 Figure 10 Source_info stream 16 Figure 11 Block alignment 17 Figure 12 Parity
24、check matrix . 18 Figure 13 Error correction code block 19 Figure 14 Transmission stream 19 Figure 15 The order bytes in Tr_section . 20 Figure 16 Modulation block 21 Figure 17 Byte to symbol conversion 22 Figure 18 XOR gates . 22 Figure 19 Scramble pattern generator 23 Figure 20 QPSK mapping. 24 Fi
25、gure 21 Baseband filter characteristics . 25 Figure 22 Transmission chain 29 Figure 23 Location for measurements 29 Figure 24 Transmitting distance . 29 Figure 25 Angle of half optical radiant intensity 29 Figure 26 Optical axis of the transmitter . 30 Figure 27 Optical axis of the receiver . 30 Fig
26、ure 28 Characteristics of the transmitter 30 Figure 29 Directivity characteristics of the transmitter 31 Figure 30 Characteristics of the receiver 31 Figure 31 Directivity characteristics of the receiver 32 Figure 32 Measuring system for spurious emission 32 Figure A.1 Source_info structure 33 Figur
27、e A.2 crc_area . 38 Figure A.3 Linear feedback shift register circuit . 38 Figure A.4 Sub-frame structure of full-band mode 39 Figure A.5 Sub-frame structure of half-band mode . 41 Figure B.1 Source_info structure 42 Figure B.2 CRC area . 46 Figure B.3 Linear feedback shift register circuit . 47 Fig
28、ure B.4 Sub-frame structure of full-band mode 47 Figure B.5 Sub-frame structure of half-band mode . 50 Table 1 Analogue audio channel allocation 10 Table 2 Sub-carrier frequency 12 Table 3 Maximum source stream bit rate 13 Table 4 Bit rate of digital audio 13 Table 5 Byte values in a transmission_in
29、fo . 16 Table 6 Reed-Solomon code parameter . 17 Table 7 Header bit field 20 Table 8 Marking and contents of specifications 28 4 61603-8-1 IEC:2003 Table A.1 crc_flag 35 Table A.2 Valid_flag . 35 Table A.3 Data_type 35 Table A.4 36 Table A.5 Mode_extension_code . 36 Table A.6 pro_flag . 36 Table A.7
30、 pcm_id . 36 Table A.8 Copyright_flag 37 Table A.9 Emphasis . 37 Table A.10 fs_code 37 Table A.11 Mode_extension_code . 40 Table B.1 Crc_flag . 44 Table B.2 Valid_flag . 44 Table B.3 Data_type 44 Table B.4 Coding_mode . 44 Table B.5 Mode_extension_code . 45 Table B.6 pro_flag . 45 Table B.7 pcm_id .
31、 45 Table B.8 Emphasis . 45 Table B.9 fs_code 46 Table B.10 Mode_extension_code . 49 61603-8-1 IEC:2003 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ TRANSMISSION OF AUDIO AND/OR VIDEO AND RELATED SIGNALS USING INFRARED RADIATION Part 8-1: Digital audio and related signals FOREWORD 1) The Internatio
32、nal Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic
33、 fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; an
34、y IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non- governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standar
35、dization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has repr
36、esentation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IE
37、C cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publi
38、cations. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment services and, in some area
39、s, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents includi
40、ng individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or relianc
41、e upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elem
42、ents of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 61603-8-1 has been prepared by technical area 3, Infrared systems and applications, of IEC technical committee 100: Audio, vid
43、eo and multimedia systems and equipment. This part of IEC 61603 replaces 6.8.3 of IEC 61603-2. This bilingual version, published in 2011-04, corresponds to the English version. The text of this standard is based on the following documents: FDIS Report on voting 100/628/FDIS 100/706/RVD Full informat
44、ion on the voting for the approval of this standard can be found in the report on voting indicated in the above table. 6 61603-8-1 IEC:2003 This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. The committee has decided that the contents of this publication will remain
45、 unchanged until the stability date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 61603-8-1 IEC:2003 7 TRANSMISSION OF AUDIO AND/OR
46、VIDEO AND RELATED SIGNALS USING INFRARED RADIATION Part 8-1: Digital audio and related signals 1 Scope This part of IEC 61603 specifies the characteristics and measuring methods for digital audio signal transmission systems using infrared radiation with sub-carrier of the frequency ranges 3 MHz to 6
47、 MHz. It describes systems with different economic uses of the available bandwidth in order to obtain minimum interference and maximum compatibility. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the editi
48、on cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60958-1, Digital audio interface Part 1: General IEC 60958-3, Digital audio interface Part 3: Consumer applications IEC 60958-4, Digital audio interface Part 4: Professional applications IEC 61603-1:1997, Transmission of audio and/or video and related signals using infra-red radiation Part 1: General IEC 61603-2:1997, Transmission of audio and/or video and related signals using infra-red radiation Part 2: Transmission systems for audio wide band and relate
copyright@ 2008-2019 麦多课文库（www.mydoc123.com）网站版权所有
备案/许可证编号：苏ICP备17064731号-1