IEC_62356-2-2003.pdf

INTERNATIONALSTANDARDIEC62356-2First edition2003-11Video recording 12,65 mm type D-11 format Part 2:Picture compression and data streamReference numberIEC 62356-2:2003(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.Publication numbering As from 1 January 1997 all IEC publications are issued with a designation in the 60000 series.For example,IEC 34-1 is now referred to as IEC 60034-1.Consolidated editions The IEC is now publishing consolidated versions of its publications.For example,edition numbers 1.0,1.1 and 1.2 refer,respectively,to the base publication,the base publication incorporating amendment 1 and the base publication incorporating amendments 1 and 2.Further information on IEC publications The technical content of IEC publications is kept under constant review by the IEC,thus ensuring that the content reflects current technology.Information relating to this publication,including its validity,is available in the IEC Catalogue of publications(see below)in addition to new editions,amendments and corrigenda.Information on the subjects under consideration and work in progress undertaken by the technical committee which has prepared this publication,as well as the list of publications issued,is also available from the following:IEC Web Site(www.iec.ch)Catalogue of IEC publications The on-line catalogue on the IEC web site(www.iec.ch/searchpub)enables you to search by a variety of criteria including text searches,technical committees and date of publication.On-line information is also available on recently issued publications,withdrawn and replaced publications,as well as corrigenda.IEC Just Published This summary of recently issued publications(www.iec.ch/online_news/justpub)is also available by email.Please contact the Customer Service Centre(see below)for further information.Customer Service Centre If you have any questions regarding this publication or need further assistance,please contact the Customer Service Centre:Email:custserviec.ch Tel:+41 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.INTERNATIONALSTANDARDIEC62356-2First edition2003-11Video recording 12,65 mm type D-11 format Part 2:Picture compression and data stream IEC 2003 Copyright-all rights reservedNo part of this publication 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 Commission,3,rue de Varemb,PO Box 131,CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919 02 11 Telefax:+41 22 919 03 00 E-mail:inmailiec.ch Web:www.iec.chXAFor price,see current cataloguePRICE CODECommission Electrotechnique InternationaleInternational Electrotechnical Commission LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 62356-2 IEC:2003(E)SOMMAIREFOREWORD.41Scope.62Normative references.63Introduction.74Encoding.74.1Overview.74.2Pre-processing.94.3Shuffling.134.4Field-frame decision.154.5Discrete Cosine Transform(DCT).174.6Rate control.184.7Quantization.194.8Entropy coding.194.9Picture data packing.234.10 Auxiliary data.295Decoding.325.1Overview.325.2Unpacking.325.3Entropy decoding.325.4Inverse quantization.325.5Inverse DCT.335.6De-shuffling.335.7Post-processing.33Annex A(normative)Subsampling filter.34Annex B(normative)Channel shuffling.36Annex C(normative).39Annex D(normative)VLC tables.42Bibliography.55Figure 1 Encoding block diagram.9Figure 2 Sampling relationships for 1 080/I and 1 080/PsF source and subsampledsystems.11Figure 3 Channel division of subsampled 1 080/I and 1 080/PsF signals.12Figure 4 Channel distribution.13Figure 5 Code blocks and basic blocks in channel.14Figure 6 Shuffle block format.14Figure 7 Shuffle block header byte descriptions.15Figure 8 Frame-mode chrominance DCT block reformat.16Figure 9 Field-mode DCT block reformat.17Figure 10 DCT coefficient encoding example.22LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.62356-2 IEC:2003(E)3 Figure 11 Basic block format.23Figure 12 Frame-mode luminance and chrominance cells.23Figure 13 Field-mode luminance and chrominance cells.24Figure 14 Framemode placement for Offset Mode and Offset Index bits.26Figure 15 Fieldmode placement for Offset Mode and Offset Index bits.26Figure 16 Packing when quantizer base=61 or less.27Figure 17 Packing when quantizer base=63.28Figure 18 Auxiliary basic block format.29Figure 19 Auxiliary data words.31Figure 20 Decoding block diagram.32Figure A.1 Template for insertion-loss frequency characteristic(Y).34Figure A.2 Passband ripple tolerance(Y).34Figure A.3 Template for insertion-loss frequency characteristic(CB,CR).35Figure A.4 Passband ripple tolerance(CB,CR).35Figure B.1 8*8 block segmentation in each channel.36Figure B