1、 IEC/TS 62644 Edition 1.0 2012-10 TECHNICAL SPECIFICATION Professional video storage equipment Guideline of time code transmission IEC/TS 62644:2012(E)Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-27-2014 by James Madison.No further reproduction or di
2、stribution is permitted.Uncontrolled when printed.THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2012 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 mechanical,including phot
3、ocopying 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 address below or your local
4、 IEC member National Committee for further information.IEC Central Office Tel.:+41 22 919 02 11 3,rue de Varemb Fax:+41 22 919 03 00 CH-1211 Geneva 20 infoiec.ch Switzerland www.iec.ch About the IEC The International Electrotechnical Commission(IEC)is the leading global organization that prepares an
5、d publishes International Standards for all electrical,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 publishe
6、d.Useful links:IEC publications search-www.iec.ch/searchpub The advanced search enables you to find IEC publications by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,replaced and withdrawn publications.IEC Just Published-webstore.iec.ch/justp
7、ublished Stay up to date on all new IEC publications.Just Published details all new publications released.Available on-line and also once a month by email.Electropedia-www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing more than 30 000 terms and d
8、efinitions in English and French,with equivalent terms in additional languages.Also known as the International Electrotechnical Vocabulary(IEV)on-line.Customer Service Centre-webstore.iec.ch/csc If you wish to give us your feedback on this publication or need further assistance,please contact the Cu
9、stomer Service Centre:csciec.ch.Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-27-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.IEC/TS 62644 Edition 1.0 2012-10 TECHNICAL SPECIFICATION Professional
10、 video storage equipment Guideline of time code transmission INTERNATIONAL ELECTROTECHNICAL COMMISSION K ICS 33.160.40 PRICE CODE ISBN 978-2-83220-414-6 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained this publication from an authorized distr
11、ibutor.Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-27-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.2 TS 62644 IEC:2012(E)CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope.6 2 Normative references.6 3
12、Terms and definitions.6 4 Transmission of time code.7 4.1 Time address of a frame pair in progressive systems.7 4.2 Relationship between frame pair and ATC.7 4.3 Relationship between the reference signal and ATC.8 Bibliography.10 Figure 1 Time address of frame pair.7 Figure 2 Relationship between re
13、ference signal and ATC.8 Figure 3 Example of relationship between reference signal and ATC(1/2 speed play).9 Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-27-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when
14、printed.TS 62644 IEC:2012(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ PROFESSIONAL VIDEO STORAGE EQUIPMENT GUIDELINE OF TIME CODE TRANSMISSION FOREWORD 1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization comprising all national electrotechnical com
15、mittees(IEC National Committees).The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields.To this end and in addition to other activities,IEC publishes International Standards,Technical Specifications,Technical Rep
16、orts,Publicly Available Specifications(PAS)and Guides(hereafter referred to as“IEC Publication(s)”).Their preparation is entrusted to technical committees;any 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 Standardization(ISO)in accordance with conditions