EN 62141-2006 en Helical-scan digital video cassette recording format using 12 65 mm magnetic tape and incorporating MPEG-4 compression - Type D-16 format《使用12 65mm磁带和联合MPEG-4压缩的螺旋.pdf
《EN 62141-2006 en Helical-scan digital video cassette recording format using 12 65 mm magnetic tape and incorporating MPEG-4 compression - Type D-16 format《使用12 65mm磁带和联合MPEG-4压缩的螺旋.pdf》由会员分享,可在线阅读,更多相关《EN 62141-2006 en Helical-scan digital video cassette recording format using 12 65 mm magnetic tape and incorporating MPEG-4 compression - Type D-16 format《使用12 65mm磁带和联合MPEG-4压缩的螺旋.pdf(104页珍藏版)》请在麦多课文档分享上搜索。
1、BRITISH STANDARDBS EN62141:2006Helical-scan digital video cassette recording format using 12,65 mm magnetic tape and incorporating MPEG-4 compression Type D-16 formatThe European Standard EN 62141:2006 has the status of a British StandardICS 33.160.40g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56
2、g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 62141:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 July 2006 BSI 2006ISBN 0
3、 580 48863 2National forewordThis British Standard is the official English language version of EN 62141:2006. It is identical with IEC 62141:2005.The UK participation in its preparation was entrusted to Technical Committee EPL/100, Audio, video and multimedia systems and equipment, which has the res
4、ponsibility to: A list of organizations represented on this committee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “In
5、ternational Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a
6、British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international an
7、d European developments and promulgate them in the UK.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 101 and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amendments issued sin
8、ce publicationAmd. No. Date CommentsEUROPEAN STANDARD EN 62141 NORME EUROPENNE EUROPISCHE NORM June 2006 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassa
9、rt 35, B - 1050 Brussels 2006 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 62141:2006 E ICS 33.160.40 English version Helical-scan digital video cassette recording format using 12,65 mm magnetic tape and incorporating MPEG-4 co
10、mpression - Type D-16 format (IEC 62141:2005) Format denregistrement balayage hlicodal pour cassette vido numrique utilisant une bande magntique de 12,65 mm avec systme de compression MPEG-4 - Format D-16 (CEI 62141:2005) Videoaufzeichnung -Videokassettensystem mit digitaler Schrgspuraufzeichnung au
11、f Magnetband 12,65 mm und eingeschlossener MPEG-4-Kompression - Format D-16 (IEC 62141:2005) This European Standard was approved by CENELEC on 2006-05-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard th
12、e status of a national standard without any alteration. Up-to-date lists 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 two official versions (English, German). A v
13、ersion in any other language made by translation under the 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, Cyprus, the Czec
14、h Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Foreword The text of the International St
15、andard IEC 62141:2005, prepared by IEC TC 100, Audio, video and multimedia systems and equipment, was submitted to the formal vote and was approved by CENELEC as EN 62141 on 2006-05-01 without any modification. The following dates were fixed: latest date by which the EN has to be implemented at nati
16、onal level by publication of an identical national standard or by endorsement (dop) 2007-05-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2009-05-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC
17、 62141:2005 was approved by CENELEC as a European Standard without any modification. _ EN 62141:2006 2 3 EN 62141:2006 CONTENTS 1 Scope 7 2 Normative references .7 3 Terms, definitions and acronyms.8 3.1 Terms and definitions 8 3.2 Acronyms 9 4 Environment and test conditions .9 4.1 Calibration tape
18、 .10 4.2 Record locations and dimensions.10 5 Tape and cassette physical specifications .10 5.1 Magnetic tape specifications 10 5.2 Cassette specifications 10 6 Tape record physical parameters 31 6.1 Input reference signal 31 6.2 Tape speed .31 6.3 Helical record physical parameters.31 6.4 Longitudi
19、nal record physical parameters 32 7 Longitudinal track signal and magnetic parameters36 7.1 Longitudinal track record parameters .36 7.2 Control track record parameters.36 7.3 Time and control code track record parameters 37 8 Source picture and audio processing.38 8.1 Introduction .38 8.2 Input for
20、mats .41 8.3 Input data segmentation and shuffling 43 8.4 Picture data encoding 57 8.5 Data packing .60 8.6 Audio input format and data packing 74 9 Helical track signal parameters and magnetization 77 9.1 Introduction .77 9.2 Video data outer correction and shuffling .77 9.3 Audio data outer correc
21、tion and shuffling .79 9.4 Helical track data parameters.83 9.5 Channel coding .94 9.6 Magnetization94 Annex A (normative) Digital interfaces.95 Annex B (informative) Tape transport and scanner 97 Annex C (informative) Compatibility with the other digital formats using Type-L derivative cassettes 10
22、0 Annex ZA (normative) Normative references to international publications with their corresponding European publications101 EN 62141:2006 4 Figure 1 Top- and side-view dimensions (S-cassette) .13 Figure 2 Bottom-view dimensions (S-cassette) .14 Figure 3 Datum areas, supporting areas, tape guides and
23、 associated dimensions (S-cassette)16 Figure 4 Reel location in the unlocked position (S-cassette)16 Figure 5 Protecting lid dimensions (S-cassette) 17 Figure 6 Reel dimensions (S-cassette) .18 Figure 7 Reel height in the unlocked position (S-cassette) 18 Figure 8 Unlocking lever insertion area (S-c
24、assette) .19 Figure 9 Lid unlocking force (S-cassette)20 Figure 10 Lid opening force (S-cassette) 20 Figure 11 Reel spring force (S-cassette).20 Figure 12 Safety plug strength (S-cassette) 21 Figure 13 Extraction force (F1, F2) and friction torque (S-cassette).21 Figure 14 Top and side views (L-cass
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