1、 IEC 62330-2 Edition 1.0 2003-05 INTERNATIONAL STANDARD NORME INTERNATIONALE Helical-scan digital video cassette recording system using 12,65 mm (0,5 in) magnetic tape Format HD-D5 Part 2: Compression format Systme de magntoscope numrique cassette balayage hlicodal sur bande magntique de 12,65 mm (0
2、5 in) Format HD-D5 Partie 2: Format de compression IEC 62330-2:2003 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 m
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16、 csciec.ch. IEC 62330-2 Edition 1.0 2003-05 INTERNATIONAL STANDARD NORME INTERNATIONALE Helical-scan digital video cassette recording system using 12,65 mm (0,5 in) magnetic tape Format HD-D5 Part 2: Compression format Systme de magntoscope numrique cassette balayage hlicodal sur bande magntique de
17、 12,65 mm (0,5 in) Format HD-D5 Partie 2: Format de compression INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE X ICS 33.160.40; 35.240.99 PRICE CODE CODE PRIX ISBN 978-2-83220-461-0 Registered trademark of the International Electrotechnical Commission Marque dpo
18、se de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 62330-2 IEC:2003 CONTENTS FOREWORD . 4 1 Scope . 6 2 Normative
19、references 6 3 Acronyms . 6 4 Video processing 8 4.1 Overview . 8 4.2 Video signal . 9 4.3 Block formation . 11 4.4 SMBG distribution 16 4.5 DCT 19 4.6 Categorization and weighting . 20 4.7 CG shuffling 24 4.8 RMB shuffling 27 4.9 Quantization 29 4.10 Rate control . 29 4.11 VLC . 29 4.12 Packing . 3
20、3 Annex A (normative) Overlapped block DCT coding for robustness . 44 Figure 1 Block diagram of outline about video processing . 9 Figure 2 Transmitting samples of 1 080i system . 10 Figure 3 Transmitting samples of 720p system . 11 Figure 4 Overlapped blocking of luminance (Y) pixels . 12 Figure 5
21、Overlapped blocking of colour difference C B /C Rpixels 13 Figure 6 Macro block structure in 1 080i system and 720p systems . 13 Figure 7 Super macro block structure in 1 080i system and 720p systems. 14 Figure 8 Pixel arrangement for blocking of 1 080i system 15 Figure 9 The arrangement of SMBs in
22、one field for 1 080i system . 16 Figure 10 The arrangement of SMBs in one frame for 720p system . 16 Figure 11 SMBG distribution in 1 080i system . 17 Figure 12 SMBG distribution in 720p system . 18 Figure 13 The structure of DCT coefficient block 20 Figure 14 CG shuffling for Y . 25 Figure 15 CG sh
23、uffling for C . 26 Figure 16 RMB shuffling . 28 Figure 17 The order of VLC coding . 30 Figure 18 Structure of C3RMB 34 Figure 19 Rearrangement of VLC data codewords 36 Figure 20 Data structure of one 1 080i field/720p frame 37 Figure 21 Main data DIF block packing . 42 Figure 22 Packing the compress
24、ed data in 5 760 DIF Blocks 43 Figure A.1 The process of missing coefficient reproduction . 44 62330-2 IEC:2003 3 Table 1 The construction of video signal sampling 9 Table 2 Categorization of Y signal 21 Table 3 Categorization of C Bsignal 21 Table 4 Categorization of C Rsignal 21 Table 5 Table CY0(
25、t, u) 21 Table 6 Table CY1(t, u) 22 Table 7 Table CY2(t, u) 22 Table 8 Table CY3(t, u) 22 Table 9 Table CC0(t, u) 23 Table 10 Table CC1(t, u) 23 Table 11 Table CC2(t, u) 23 Table 12 Codewords for variable length coding (1) 30 Table 13 Codewords for variable length coding (2) 31 4 62330-2 IEC:2003 IN
26、TERNATIONAL ELECTROTECHNICAL COMMISSION _ HELICAL-SCAN DIGITAL VIDEO CASSETTE RECORDING SYSTEM USING 12,65 mm (0,5 in) MAGNETIC TAPE FORMAT HD-D5 Part 2: Compression format FOREWORD 1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization comprising all
27、national electrotechnical committees (IEC National Committees). The object of the 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, the IEC publishes International Standar
28、ds. 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. The IEC col
29、laborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of the IEC on technical matters express, as nearly as possible, an international consensus of opi
30、nion on the relevant subjects since each technical committee has representation from all interested National Committees. 3) The documents produced have the form of recommendations for international use and are published in the form of standards, technical specifications, technical reports or guides
31、and they are accepted by the National Committees in that sense. 4) In order to promote international unification, IEC National Committees undertake to apply IEC International Standards transparently to the maximum extent possible in their national and regional standards. Any divergence between the I
32、EC Standard and the corresponding national or regional standard shall be clearly indicated in the latter. 5) The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipment declared to be in conformity with one of its standards. 6) Attentions drawn
33、 to the possibility that some of the elements of this International Standard may be the subject of patent rights. The IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 62330-2 has been prepared by Technical Area 6: Higher data rate storage me
34、dia and equipment of IEC technical committee 100: Audio, video and multimedia systems and equipment. This bilingual version (2012-11) corresponds to the monolingual English version, published in 2003-05. It was submitted to the national committees for voting under the Fast Track Procedure as the fol
35、lowing documents: CDV Report on voting 100/505/CDV 100/604/RVC Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. The French version of this standard has not been voted upon. This publication has been drafted in accorda
36、nce with the ISO/IEC Directives, Part 2. 62330-2 IEC:2003 5 The committee has decided that the contents of this publication will remain unchanged until 2008. At this date, the publication will be reconfirmed; withdrawn; replaced by a revised edition, or amended. IEC 62330 consists of the following p
37、arts, under the general title Helical-scan digital video cassette recording system using 12,65 mm (0,5 in) magnetic tape Format HD-D5. Part 1: VTR specifications Part 2: Compression format Part 3: Data stream format Part 1 describes the VTR specifications which are tape, magnetization, helical recor
38、ding, modulation method and basic system data for high definition video compressed data on 29,97 or 59,94 frame rate. This part 2 describes the specifications for encoding process and data format for 1080i and 720p systems. Part 3 describes the specifications for transmission of HD-D5 compressed vid
39、eo and audio data stream over 360 Mb/s serial digital interface. 6 62330-2 IEC:2003 HELICAL-SCAN DIGITAL VIDEO CASSETTE RECORDING SYSTEM USING 12,65 mm (0,5 in) MAGNETIC TAPE FORMAT HD-D5 Part 2 Compression format 1 Scope This part of IEC 62330 defines the encoding process of the HD-D5 video compres
40、sion and its data format for the 1 080/59,94i system (hereinafter referred to as the 1 080i system) and the 720/59,94p system (hereinafter referred to as the 720p system). 2 Normative references The following referenced documents are indispensable for the application of this document. For dated refe
41、rences, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ITU-R BT.1543, 1 280 720, 16 9 progressively-captured image format for production and international programme exchange in the 60 Hz ITU-R BT.709, Paramete
42、r values for the HDTV standards for production and international programme exchange 3 Acronyms BUF Buffer memory C Colour difference signal C3RMB Compressed data of 3 RMBs C(t, u) The value of the DCT coefficient at frequency (t, u) C B /C RColour difference signal CC0 CC2 Categories for C DCT block
43、 Ccoef( ) C DCT CG CG Coefficient group CGNR CG number of one Y/C DCT coefficient block in one RMB CGNS CG number of one Y/C DCT coefficient block in one SMB CN C3RMB number in one RMBG CRcoef( ) Rearranged C DCT CG CS C DCT block number in one SMB CY0 CY3 Categories for Y DCT block DCT Discrete cos
44、ine transform DIF Digital interface DIF(n) DIF block numbered n DN DIF block number EOB “End of block” code EOM “End of 3 RMBs” code 62330-2 IEC:2003 7 exnor Logical exclusive nor f( ) Offset value table for SMBG distribution FCB Category flag of C BDCT block FCB Category flag of C BDCT block FCR Ca
45、tegory flag of C RDCT block FCR Category flag of C RDCT block FFL Field number flag FMB Category flag of the MB FMB Category flag of the MB FYa FYd Category flags of the four DCT blocks (Ya Yd) of the MB FYa FYd Category flags of the four DCT blocks (Ya Yd) of the MB H The horizontal SMB position nu
46、mber in one video field (1 080i system) or one video frame (720p system) HR The column position number of RMB HS The column position number of SMB in one SMBG IDCT Inverse discrete cosine transform int (A) Integer part of A LEN The byte length of C3RMB MB Macro block mod Modulus operator N.A. Not ap
47、plicable Offset( ) Offset value for RMB shuffling P(r, s) The value of the pixel at the position (r, s) in Y/C DCT block Qno Quantization number Qstep Quantization step value r The horizontal pixel position number in Y/C DCT block Rg The RMBG number within the RMBs RMB Rearranged macro block RMBG Re
48、arranged macro block group Rn The number of RMB coding order in each RMBG s The vertical pixel position number in Y/C DCT block SA The starting address of the remainder data in buffer memory SABM One byte data of SA (two bytes) Sg The SMBG number in one video field (1 080i system) or one video frame
49、 (720p system) SMB Super macro block SMBG Super macro block group t The horizontal frequency number in Y/C DCT coefficient block TableCY0 3 Set up value tables for Y weighting function TableCC0 2 Set up value tables for C weighting function u The vertical frequency number in Y/C DCT coefficient block V The vertical pos
