1、BRITISH STANDARDBS EN 61883-2:2005Consumer audio/video equipment Digital interface Part 2: SD-DVCR data transmissionThe European Standard EN 61883-2:2005 has the status of a British StandardICS 35.200; 33.160.01g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44
2、g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 61883-2:2005This British Standard was published under the authority of the Standards Policy and Strategy Committee on 24 January 2006 BSI 24 January 2006ISBN 0 580 47520 4National for
3、ewordThis British Standard is the official English language version of EN 61883-2:2005. It is identical with IEC 61883-2:2004. It supersedes BS EN 61883-2:1998 which will be withdrawn on 1 November 2008.The UK participation in its preparation was entrusted to Technical Committee EPL/100, Audio, vide
4、o and multimedia systems and equipment, which has the responsibility to: 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 and E
5、uropean developments and promulgate them in the UK.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 Catal
6、ogue under the section entitled “International 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 corr
7、ect application.Compliance with a British Standard does not of itself confer immunity from legal obligations.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 11 and a back cover.The BSI copyright notice displayed in this document indicates w
8、hen the document was last issued.Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARD EN 61883-2 NORME EUROPENNE EUROPISCHE NORM November 2005 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr
9、Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2005 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 61883-2:2005 E ICS 35.200; 33.160.01 Supersedes EN 61883-2:1998English version Consumer audi
10、o/video equipment - Digital interface Part 2: SD-DVCR data transmission (IEC 61883-2:2004) Matriel audio/vido grand public - Interface numrique Partie 2: Transmission de donnes SD-DVCR (CEI 61883-2:2004) Audio/Video-Gerte der Unterhaltungselektronik - Digitale Schnittstelle Teil 2: SD-DVCR-Datenbert
11、ragung (IEC 61883-2:2004) This European Standard was approved by CENELEC on 2005-11-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date
12、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 version in any other language made by translation under the responsi
13、bility 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, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary
14、, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Foreword The text of the International Standard IEC 61883-2:2004, prepared by technical area 4, Digital system interfaces and pro
15、tocols, of IEC TC 100, Audio, video and multimedia systems and equipment, was submitted to the formal vote and was approved by CENELEC as EN 61883-2 on 2005-11-01. This European Standard supersedes EN 61883-2:1998. It contains the following significant technical changes with respect to EN 61883-2:19
16、98: a) added STYPE for SMPTE Type D-7 50Mbit/s system and SMPTE Type D-12 100Mbit/s system; b) added specifications of IEEE 1394 packet, CIP header and transmission timing in high speed transmission. The following dates were fixed: latest date by which the EN has to be implemented at national level
17、by publication of an identical national standard or by endorsement (dop) 2006-11-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2008-11-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 61883-2:20
18、04 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following note has to be added for the standard indicated: IEC 61834-1 NOTE Harmonized as EN 61834-1:1998 (not modified). _ EN 61883-2:2005 2 EN 61883-2:2005 3 CONSUMER AUDIO/VI
19、DEO EQUIPMENT DIGITAL INTERFACE Part 2: SD-DVCR data transmission 1 Scope This part of IEC 61883 specifies the packet format and the transmission timing for SD-DVCR data. It describes the specifications for the IEEE 1394 packet, the CIP header for 525-60 and 625-50 television systems, and the transm
20、ission timing. 2 Normative references 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 61834-2
21、, 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 2: SD format for 525-60 and 625-50 systems IEC 61883-1, Consumer audio/video equipment Digital interface Part 1: General 3 Abbreviations Fo
22、r the purposes of this document, the following abbreviations apply. 525-60 system: the 525-line system with a frame frequency of 29,97 Hz 625-50 system: the 625-line system with a frame frequency of 25,00 Hz IEEE 1394 packet: IEEE 1394 isochronous packet defined in IEC 61883-1 SD-DVCR: standard defi
23、nition digital video cassette recorder 4 Construction of IEEE 1394 packet 4.1 Source packet structure of the SD-DVCR data stream For the SD-DVCR data stream, the data structure for digital interface defined in IEC 61834-2, Clause 11 is used. The source packet size for SD-DVCR data stream is 480 byte
24、s, divided into 6 DIF blocks. The correspondence between DIF blocks and source packets for the 525-60 system and the 625-50 system are shown in Figure 1 and Figure 2 respectively. 4.2 Packetization of source packet of the SD-DVCR data stream A source packet shall not be divided and shall be equal to
25、 a data block. Data blocks transmitted in an IEEE 1394 isochronous cycle shall be determined according to the TR value in the CIP header (see 5.2). An empty packet is placed in any cycle with no data block: 4 EN 61883-2:2005 where the TR value is 002(1x), one or no data block is transmitted; 012(2x)
26、, two or no data block are transmitted; 102(4x), four or no data block are transmitted. The SYT field of the CIP header (see 5.1) is used to synchronize transmitter and receiver. 4.3 Transmission order of video frames for high-speed transmission Transmission order of data within one video frame is d
27、efined in Figure 1 and Figure 2. For high-speed transmission, the transmission order of each video frame data shall follow the time sequence. 5 CIP header 5.1 CIP header for SD-DVCR data stream The structure of the CIP header for the SD-DVCR data stream is conform to the two-quadlet CIP header forma
28、t with SYT (see 6.2.1 of IEC 61883-1). The whole structure including the details of FDF is shown in Figure 3. The value of FMT shall be set to 0000002to indicate the DVCR signal. 5.2 FDF area The definition of the components of FDF is given as follows. 50/60: Field system 0 = 60 field system 1 = 50
29、field system STYPE: Signal type of video signal in combination with 50/60 flag as shown in Table 1. TR: TR indicates transmission rate with following values 002= 1x ( normal transmission rate ) others = defined dependent on STYPE Where STYPE is 000002, TR is defined as follows. TR: 012= 2x 102= 4x 1
30、12= reserved for future definition SYT: Time stamp of the video frame synchronization (see 6.2.1 of IEC 61883-1). 5.3 DBC values Increments of DBC value shall be determined according to the TR value. Where the TR value is: 002(1x), the DBC value increments with 1; 012(2x), the DBC value is a multipl
31、e of 2; 102(4x), the DBC value is a multiple of 4. EN 61883-2:2005 5 5.4 CIP header for 525-60 system For the 525-60 system, the values of the CIP header components are as follows. DBS: 011110002FN: 002QPC: 0002SPH: 0 DBC (see 5.3) FMT: 000000250/60 : 0 STYPE: 000002 TR: 002= 1x, 012= 2x, 102= 4x5.5
32、 CIP header for 625-50 system For the 625-50 system, the values of the CIP header components are as follows. DBS: 011110002FN: 002QPC: 0002SPH: 0 DBC (see 5.3) FMT: 000000250/60 : 1 STYPE: 000002TR: 002= 1x, 012= 2x, 102= 4x 6 Transmission timing The transmitter shall transmit a time stamp value in
33、the SYT field once every video frame period. The time stamp shall be transmitted in a packet that meets the following conditions: packet_arrival_time_L time stamp value time stamp value transmission_delay_limit packet_arrival_time_F where packet_arrival_time_F is the cycle time when the first bit of
34、 the packet which has the time stamp has arrived at the receiver; packet_arrival_time_L is the cycle time when the last bit of the packet which has the time stamp has arrived at the receiver; transmission_delay_limit = 450 s. In case of Hx (H = 1,2,4) transmission, KH data blocks are transmitted in
35、a video frame period M using K isochronous packets. Isochronous packet n contains H data blocks of nH, nH+1, . and (n+1)H1. The isochronous packet n of a video frame period M shall be transmitted on the following conditions (n = 0, . ,K1): 6 EN 61883-2:2005 packet_arrival_time_L nominal timing for i
36、sochronous packet n nominal timing for isochronous packet n transmission_delay_limit packet_arrival_time_F where packet_arrival_time_F is the cycle time when the first bit of the isochronous packet n has arrived at the receiver; packet_arrival_time_L is the cycle time when the last bit of the isochr
37、onous packet n has arrived at the receiver; K is the number of isochronous packets without empty packets in a video frame period. K = 250 (525-60 system) K = 300 (625-50 system) Nominal timing for isochronous packet n = T M+ (TM+1 TM) x n/K TMis the time stamp for video frame period M transmitted in
38、 the SYT field. EN 61883-2:2005 7 SMPTE Type D-12 100 Mbit/s 50Hz system* SMPTE Type D-7 50 Mbit/s 625-50 system* SMPTE Type D-7 25 Mbit/s 625-50 system* Table 1 Code allocation of 50/60 and STYPE *Refer to SMPTE 396M. STYPE 00000 00001 00010 11100 50/60525-60 system 625-50 system 1125-60 system0001
39、1 1250-50 system 0 1SDL525-60 systemSDL625-50 system 11110 11111 SMPTE Type D-7 50 Mbit/s 525-60 system* 11101 11011 SMPTE Type D-12 100 Mbit/s 60Hz system*SMPTE Type D-7 25 Mbit/s 525-60 system*ReservedReserved 8 EN 61883-2:2005 Figure 1 Source packets of SD-DVCR 525-60 systemDIF Sequence 0DIF Sequ
40、ence 1DIF Sequence 9249225H0A 0SC0 VA0V 0VA1 VA2V1V2V3V4SC1V128V134V 129V130V131V132V133V127V126V 123V124V125Source packets H0 SC 0 VA0 VA1 VA2SC1V134V 130V131V132V133H0 SC 0 VA0 VA1 VA2SC1V134V 129V130V131V132V133V 1290 1 23242549H0: Header DIF blockSC i : Subcode DIF block i (i = 0,1)VA i : VAUX D
41、IF block i(i = 0,1,2)A i : Audio DIF block (i = 0,.,8)V i: Video DIF block (i = 0,.,134)iiKey: IEC 1211/04 EN 61883-2:2005 9 Source packets DIF Sequence 0DIF Sequence 1299275H0A 0SC0 VA0V 0VA1 VA2V1V2V3V4SC1V128V134V 129V130V131V132V133V127V126V 123V124V125H0 SC 0 VA0 VA1 VA2SC1V134V 130V131V132V133
42、H0 SC 0 VA0 VA1 VA2SC1V134V 129V130V131V132V133V 12923242549DIF Sequence 11 0 1 IEC 1212/04 Key: H0: SC : iVA : iA i :V : iHeader DIF blockSubcode DIF blockVAUX DIF block Audio DIF block Video DIF blockiii(= 0,1)= 0,1,2)= 0,.,8)= 0,.,134)i iiiiFigure 2 Source packets of SD-DVCR 625-50 systemFigure 3
43、 CIP header for DVCRSID DBS DBCFMTFN0 1 0 0 RsvQPC50/60TRSYTSTYPESPHIEC 1213/04 10 EN 61883-2:2005 Bibliography The following documents contain additional information related to this standard: 1 IEC 61834-1, Recording Helical-scan digital video cassette recording system using 6,35 mm magnetic tape f
44、or consumer use (525-60, 625-50, 1125-60 and 1250-50 systems) Part 1: General specifications 2 SMPTE 396M, Television Packet Format and Transmission Timing of DV-Based Data Streams over IEEE 1394 _ Annex ZA (normative) Normative references to international publications with their corresponding Europ
45、ean publications 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. NOTE Where an international publ
46、ication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 61834-2 - 1)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 syst
47、ems) Part 2: SD format for 525-60 and 625-50 systems EN 61834-2 1998 2)IEC 61883-1 - 1)Consumer audio/video equipment - Digital interface Part 1: General EN 61883-1 2003 2)1)Undated reference. 2)Valid edition at date of issue. EN 61883-2:2005 11 BS EN 61883-2:2005BSI389 Chiswick High RoadLondonW4 4A
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