1、INTERNATIONALSTANDARDIEC62216-1First edition2001-10Digital terrestrial television receiversfor the DVB-T system Part 1:Baseline receiver specificationReference numberIEC 62216-1:2001(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.Pu
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8、NCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.INTERNATIONALSTANDARDIEC62216-1First edition2001-10Digital terrestrial television receiversfor the DVB-T system Part 1:Baseline receiver specificationPRICE CODE IEC 2001 Copyright-all rights reservedNo part of this p
9、ublication may be reproduced or utilized in any form or by any means,electronic ormechanical,including photocopying and microfilm,without permission in writing from the publisher.International Electrotechnical Commission3,rue de Varemb Geneva,SwitzerlandTelefax:+41 22 919 0300e-mail:inmailiec.ch IEC
10、 web site http:/www.iec.chXEFor price,see current catalogue Commission Electrotechnique Internationale International Electrotechnical CommissionLICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 62216-1 IEC:2001(E)CONTENTSFOREWORD.7INTR
11、ODUCTION.81Scope.102Normative references.103Abbreviations and symbols.114Receiver capabilities.124.1Frequency spectrum.124.2Conditional access.124.3Return path.124.4Navigator(SI).134.5Auto installation.134.6Teletext carried in digital streams.134.7Analogue recording/copy management.134.8Services.134
12、.9Future versions of this specification.135Video system characteristics.145.1Introduction.145.2Essential requirements.145.3Constraints and extensions.145.3.1Support for rapid channel acquisition.145.3.2Picture types.145.3.3ISO/IEC 11172-2 compatibility.145.3.4User data.155.3.5Video alignment.156Vide
13、o display formatting.166.1Introduction.166.2Video format.166.2.1Requirements for DVB compliance.166.3Recommendations for signalling in the video stream.166.3.1Sequence header.176.3.2Sequence display extension.176.3.3Constraints on the use of the picture display extension.186.3.4Format switching.186.
14、4Video format signalling extensions.186.4.1MPEG signalling.196.4.2DVB signalling.196.4.3Active format description.196.5Recommendations for ISO/IEC 13818-1 signalling.266.6Alignment of video and graphics.266.6.1Video with graphics.266.6.2Uncertainty of position of graphics over video.267Audio system
15、characteristics.277.1Introduction.277.2Essential requirements.277.2.1Scope of requirements.277.2.2Synchronisation.27LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.62216-1 IEC:2001(E)3 7.2.3Decoding requirements.287.3Constraints and ex
16、tensions.287.3.1Surround sound.287.4Audio description.287.4.1Background(informative).287.4.2Receiver implementation minima.287.4.3Signalling.287.4.4Constraints on audio description stream coding.327.4.5Implementation notes.327.5Audio only services.347.6PSI signalling.348Multiplex and transport stream characteristics.348.1Scope.348.2Essential requirements.348.2.1Multiplexing.348.2.2Demultiplexing.358.3Constraints and extensions.358.3.1Multicomponent programs.359Service and program specific inform
