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
25、ette)22 Figure 15 Bottom view (L-cassette) 23 Figure 16 Datum areas, supporting areas and tape guides (L-cassette).25 Figure 17 Reel location in unlocked position (L-cassette)25 Figure 18 Protecting lid (L-cassette).26 Figure 19 Reel dimensions (L-cassette)27 Figure 20 Reel height in unlocked operat
26、ion (L-cassette) 27 Figure 21 Unlocking lever insertion area (L-cassette)28 Figure 22 Lid unlocking force (L-cassette) 29 Figure 23 Lid opening force (L-cassette).29 Figure 24 Reel spring force (L-cassette).29 Figure 25 Safety plug strength (L-cassette) 30 Figure 26 Extraction force (F1, F2) and fri
27、ction torque (L-cassette) .30 Figure 27 Locations and dimensions of recorded tracks 34 Figure 28 Locations and dimensions of tolerance zones of helical track records 35 Figure 29 Recorded control code waveform 37 Figure 30 Overall recording block diagram38 Figure 31 Overall playback block diagram 39
28、 Figure 32 Type D-16 encoding, one coding channel40 Figure 33 Type D-16 encoding, two coding channels 40 Figure 34 1920 1080/PsF 4:2:2 YCBCRshuffle blocks .43 Figure 35 1920 1080/PsF 4:4:4 RGB shuffle blocks44 Figure 36 1920 540/I 4:2:2 YCBCRshuffle blocks 45 Figure 37 1920 540/I 4:4:4 RGB shuffle b
29、locks 46 Figure 38 1280 720/P 4:2:2 YCBCRframe shuffle blocks .46 Figure 39 1920 1080/PsF 4:2:2 YCBCRshuffle sets.47 Figure 40 1920 1080/PsF 4:4:4 RGB shuffle sets .48 5 EN 62141:2006 Figure 42 1920 1080/I 4:4:4 RGB shuffle sets 50 Figure 43 1280 720/P 4:2:2 YCBCRshuffle sets 51 Figure 44 1920 1080
30、4:2:2 YCBCRmacro block unit number allocation 53 Figure 45 1920 1080 4:4:4 RGB macro block unit number allocation.54 Figure 46 1280 720 4:2:2 YCBCRmacro block unit number allocation 54 Figure 47 1920 1080 ancillary data bursts55 Figure 48 1280 720 ancillary data bursts55 Figure 49 Ancillary data hea
31、ders 56 Figure 50 Macro block encoding.58 Figure 51 Basic block format 60 Figure 52 Macro block identifier byte descriptions.61 Figure 53 Auxiliary data time code64 Figure 54 4:2:2 YCBCRdifferential DC block order.67 Figure 55 4:4:4 RGB differential DC block order .67 Figure 56 4:2:2 DCT code interl
32、eave 68 Figure 57 4:2:2 YCBCRDCT macro block interleaving example 69 Figure 58 4:4:4 DCT code interleave 69 Figure 59 4:4:4 RGB DCT macro block interleaving example.70 Figure 60 4:2:2 YCBCRDPCM code word interleave order .70 Figure 61 4:2:2 YCBCRDPCM macro block interleaving example .71 Figure 62 4:
33、4:4 RGB DPCM code word interleave order71 Figure 63 4:4:4 RGB DPCM macro block interleaving example72 Figure 64 1920 1080 packing example.73 Figure 65 1280 720 packing example.73 Figure 66 Start and end sample number of data recording mode .75 Figure 67 Audio auxiliary data words 76 Figure 68 Video
34、data blocking 78 Figure 69 Audio data blocking for each audio channel.80 Figure 70 Audio sync block alignments on helical tracks .82 Figure 71 General sector arrangement on helical track .83 Figure 72 Sector and segment arrangement on helical track .85 Figure 73 Record unit, segment, channel and tra
35、ck pair counts.86 Figure 74 Video sync block format87 Figure 75 Audio sync block format87 Figure 76 Sync block identification bytes 88 Figure 77 Sync sequence number 90 Figure A1 System overview95 Figure B.1 Possible scanner configuration (29,97 Hz, 25 Hz, 24 Hz and 23,98 Hz record unit rates) 98 Fi
36、gure B.2 Possible longitudinal head location and tape wrap (29,97 Hz, 25 Hz, 24 Hz and 23,98 Hz record unit rates) .99 Figure 41 1920 1080/I 4:2:2 YCBCRshuffle sets49 EN 62141:2006 6 Table 2 Record location and dimensions 33 Table 3 Control track pulse widths36 Table 4 Data rates associated with sou
37、rce picture rates39 Table 5 1920 1080 ancillary data line number ranges.41 Table 6 1920 1080 source picture rates .42 Table 7 1280 720 ancillary data line number ranges.42 Table 8 1280 720 source picture rates .42 Table 9 Shuffle-set allocation .52 Table 10 Pseudo-random SIZE and RANGE value 53 Tabl
38、e 11 Ancillary line ID values 57 Table 12 General coding constraints 58 Table 13 Range for quantizer_scale_code 59 Table 14 Coded sequence segment numbers62 Table 15 Auxiliary basic block data.63 Table 16 Frame-rate flags 64 Table 17 Ancillary data line numbers for 1920 1080 sources 65 Table 18 Macr
39、o block header syntax 66 Table 19 Packing size for each record unit rate 74 Table 20 Sync sequence number and UL91 Table A1 Audio sampling clock ratios .96 Table B.1 Parameters for a possible scanner design.97 Table B.2 Data rate and recorded wavelength 98 Table 1 Tape speeds for each record unit ra
40、te31 7 EN 62141:2006 HELICAL-SCAN DIGITAL VIDEO CASSETTE RECORDING FORMAT USING 12,65 mm MAGNETIC TAPE AND INCORPORATING MEPG-4 COMPRESSION TYPE D-16 FORMAT (TA6) 1 Scope This International Standard specifies the track content, format, and recording method of the data blocks containing compressed vi
41、deo, AES3 audio data, and associated data which form the helical records on 12,65 mm tape in cassettes. This standard supports recording of source picture formats using 1920 1080 pixels with the 4:4:4 and 4:2:2 sampling structure specified in SMPTE 274M at the frame rate of 23,98 Hz, 24 Hz, 25 Hz an
42、d 29,97 Hz, and using 1280 720 pixels with the 4:2:2 sampling structure specified in SMPTE 296M at the frame rates of 50 Hz and 59,94 Hz (see note). This standard also supports recording of 12 channels of AES3 audio data and 3 lines of uncompressed blanking interval data. This standard includes pack
43、etizing and shuffling operations supporting picture compression using the DCT and DPCM encoding methods defined by ISO/IEC 14496-2 (MPEG-4 simple studio profile). NOTEg2 Early implementations of this standard might not comply to the frame rate of 50 Hz as specified in SMPTE 296M. 2 Normative referen
44、ces The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 61213:1993, Analogue audio recording on v
45、ideo tape Polarity of magnetization IEC 61237-1:1994, Broadcast video tape recorders Methods of measurement Part 1: Mechanical measurements ISO/IEC 14496-2:2004, Information technology Coding of audio-visual objects Part 2 : Visual ITU-R Recommendation BT.709:2002, Parameter values for the HDTV stan
46、dards for production and international programme exchange SMPTE 12M:1999, Television Audio and Film Time and Control Code SMPTE 274M:2003, Television 1920 1080 Scanning and Analog and Parallel Digital Interfaces for Multiple Picture Rates SMPTE 276M:1995, Transmission of AES-EBU Digital Audio Signal
47、s Over Coaxial Cable SMPTE 292M:1998, Bit-Serial Digital Interface for High-Definition Television Systems SMPTE 296 M:2001, Television 1280 720 Progressive Image Sample Structure Analog and Digital Representation and Analog Interface SMPTE 299M:1997, Television 24-Bit Digital Audio Format for HDTV B
48、it-Serial Interface SMPTE 372M:2002, Television Dual Link 292M Interface for 1920 x 1080 Picture Raster SMPTE RP 188:1999, Transmission of Time Code and Control Code in the Ancillary Data Space of a Digital Television Data Stream AES3-1997, Serial transmission format for two-channel linearly represented digital audio data EN 62141:2006 8 3 Terms, definitions and acronyms 3.1 Terms and definitions For the purposes of this document, the following terms and definitions apply. 23,98, 29,97, 59,94: When used as values of field or frame r
