EN 61834-8-2001 en Recording - Helical-Scan Digital Video Cassette Recording System Using 6 35 mm Magnetic Tape for Consumer Use (525-60 625-50 1125-60 and 1250-50 Systems) Part 8 .pdf
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1、BRITISH STANDARD Recording - Helical-scan digital video cassette recording system using 6,35 mm magnetic tape for consumer use (525-60, 625-50, 1125-60 and 1250-50 systems) Part 8: PALplus format for the 625-50 system The European Standard EN 61834-8:2001 has the status of a British Standard ICs 33.
2、160.40 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BS EN 61834-8:2001 BS EN 61834-82001 Amd. No. National foreword Date Comments This British Standard is the official English language version of EN 61834-8:2001. It is identical with IEC 61834-8:2001 The UK participation in
3、 its preparation was entrusted to Technical Committee EPL1100, Audio, video and multimedia systems and equipment, which has the responsibility to: This British Standard, having been prepared under the direction of the Electrotechnical Sector Policy and Strategy Committee, was published under the aut
4、hority of the Standards Policy and Strategy Committee on 25 October 2001 - - aid enquirers to understand the text; present to the responsible internationallEuropean committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related internation
5、al and European developments and promulgate them in the UK. - A list of organizations represented on this committee can be obtained on request to its secretary. From i January 1997, all IEC publications have the number 60000 added to the old number. For instance, IEC 27-1 has been renumbered as IEC
6、60027-1. For a period of time during the change over from one numbering system to the other, publications may contain identifiers from both systems. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Stan
7、dards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible
8、for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 13, and a back cover. The BSI copyright date displayed in this doc
9、ument indicates when the document was last issued. Amendments issued since publication Q BSI 25 October 2001 ISBN O 580 38575 2 EUROPEAN STANDARD EN 61834-8 NORME EUROPENNE EUROPISCHE NORM September 2001 ICs 33.160.40 English version Recording - Helical-scan digital video cassette recording system u
10、sing 6,35 mm magnetic tape for consumer use (525-60,62550, 1125-60 and 1250-50 systems) Part 8: PALpIus format for the 625-50 system (IEC 61834-812001) Enregistrement - Systme de magntoscope numrique cassette balayage hlicodal utilisant la bande magntique de 6,35 mm, destin au grand public (systmes
11、525-60, 625-50, 1125-60 et 1250-50) Partie 8: Format PALpIus pour le systme 625-50 (CE1 61834-812001) Aufzeichnungstechnik - Videokassettensystem mit digitaler Schrgspuraufzeichnung auf Magnetband 6,35 mm fr den Heimgebrauch (Systeme 525-60,625-50, 1125-60, Teil 8: PALplus-Format fr Systeme 625-50 1
12、250-50) (IEC 61834-8:2001) This European Standard was approved by CENELEC on 2001-09-01. CENELEC members are bound to comply with the CEWCENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Uptc-date l
13、ists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the
14、 responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Irelan
15、d, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elekkotechnische Normung Central Secretariat: rue de Stassart 35,
16、 B - 1050 Brussels O 2001 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. NO. EN 61834-8:2001 E Page 2 EN 61834-82001 Foreword The text of document 100/241/FDIS, future edition 1 of IEC 61834-8, prepared by IEC TC 100, Audio, video and m
17、ultimedia systems and equipment, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 61834-8 on 2001-09-01. The following dates were fixed: - latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endors
18、ement (dop) 2002-06-01 - latest date by which the national standards conflicting with the EN have to be withdrawn (daw) 2004-09-01 Annexes designated “normative“ are part of the body of the standard. In this standard, annex ZA is normative. Annex ZA has been added by CENELEC. Endorsement notice The
19、text of the International Standard IEC 61834-8:2001 was approved by CENELEC as a European Standard without any modification. O BSI 25 October 2001 Page 3 EN 61834-8:2001 CONTENTS General 4 1.1 Scope . 4 1.2 Normative references 4 1.3 1.4 Test conditions and environment . 5 Helical recordings 5 Audio
20、 interface . 5 Video interface . 5 Audio signal processing . 6 Video signal processing . 6 7.1 Introduction . 6 7.2 Error correction code 6 7.3 Randomization pattern 6 7.4 Video structure . 6 7.4.1 Helper signals . 6 7.4.2 WSS signalling bits and WHITE LEVEL REFERENCE . 7 7.4.3 Sampling structure 7
21、7.4.4 DCT block . 7 7.4.5 Macro block 7 7.4.6 Super block . 7 7.4.7 the pixel 7 7.4.8 7.5 DCT processing 7 Variable length coding (VLC) . 7 Arrangement of a compressed macro block . 7 Arrangement of a video segment . 7 Definitions, symbols and abbreviations 5 Programme track data arrangement . 5 Def
22、inition of super block number, macro block number and value of Definition of video segment and compressed macro block . 7 7.6 Quantization . 7 7.7 7.8 7.9 7.10 Data-sync block and compressed macro block 8 7.1 1 Video auxiliary data (VAUX) 8 7.12 Invalid recording . 9 System data . 9 Subcode signal p
23、rocessing . 9 10 MIC (memory in cassette) 9 1 I Data structure at digital interface 9 Bibliography 12 Annex ZA (normative) Normative references to international publications with their corresponding European publications . 13 O BSI 25 October 2001 . . . . . . -j . . . .,. .i .: : . . d Page 4 EN 618
24、34-8:2001 RECORDING - HELICAL-SCAN DIGITAL VIDEO CASSETTE RECORDING SYSTEM USING 6,35 mm MAGNETIC TAPE FOR CONSUMER USE (525-60, 625-50, 1125-60 and 1250-50 systems) Part 8: PALplus format for the 625-50 system i General 1.1 Scope This part of IEC 61834 is an extension of the SD specification (SD mo
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