1、 IEC 61883-2 Edition 2.0 2004-08 INTERNATIONAL STANDARD NORME INTERNATIONALE Consumer audio/video equipment Digital interface Part 2: SD-DVCR data transmission Matriel audio/vido grand public Interface numrique Partie 2: Transmission de donnes SD-DVCR IEC 61883-2:2004 THIS PUBLICATION IS COPYRIGHT P
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16、dio/video equipment Digital interface Part 2: SD-DVCR data transmission Matriel audio/vido grand public Interface numrique Partie 2: Transmission de donnes SD-DVCR INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE L ICS 33.160.01; 35.200 PRICE CODE CODE PRIX ISBN 9
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18、cation via un distributeur agr. 2 61883-2 IEC:2004 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ CONSUMER AUDIO/VIDEO EQUIPMENT DIGITAL INTERFACE Part 2: SD-DVCR data transmission FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
19、 all national electrotechnical committees (IEC National Committees). The object of 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, IEC publishes International Standards,
20、 Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparator
21、y work. International, governmental and non- governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizatio
22、ns. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of rec
23、ommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by
24、any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional p
25、ublication shall be clearly indicated in the latter. 5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipment declared to be in conformity with an IEC Publication. 6) All users should ensure that they have the latest edition of this publicati
26、on. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or f
27、or costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct
28、application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 61883-2 has been prepared by te
29、chnical area 4: Digital system interfaces and protocols, of IEC technical committee 100: Audio, video and multimedia systems and equipment. This second edition of IEC 61883-2 cancels and replaces the first edition published in 1998. This edition contains the following significant technical changes w
30、ith respect to the previous edition: 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. 61883-2 IEC:2004 3 This bilingual version (2013-02) corresponds to
31、the monolingual English version, published in 2004-08.The text of this standard is based on the following documents: CDV Report on voting 100/727/CDV 100/816/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 Fr
32、ench version of this standard has not been voted upon. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. IEC 61883 consists of the following parts under the general title Consumer audio/video equipment Digital interface: Part 1: General Part 2: SD-DVCR data transmi
33、ssion Part 3: HD-DVCR data transmission Part 4: MPEG2-TS data transmission Part 5: SDL-DVCR data transmission Part 6: Audio and music data transmission protocol Part 7: Transmission of ITU-R BO.1294 System B The committee has decided that the contents of this publication will remain unchanged until
34、the maintenance result date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed; withdrawn; replaced by a revised edition, or amended. 4 61883-2 IEC:2004 CONSUMER AUDIO/VIDEO EQUIPMENT DIGITAL
35、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 transmission timing. 2 Norma
36、tive 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, Recording Helical-sc
37、an 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 For the purposes of this
38、 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 definition digital video c
39、assette 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 bytes, divided into 6 DIF
40、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 a data block. Data bl
41、ocks 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: 61883-2 IEC:2004 5 where the TR value is 00 2(1x), one or no data block is transmitted; 01 2(2x), two or no data bl
42、ock are transmitted; 10 2(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 defined in Figure 1
43、 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 format with SYT (see 6.
44、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 000000 2to 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 field system STYP
45、E: Signal type of video signal in combination with 50/60 flag as shown in Table 1. TR: TR indicates transmission rate with following values 00 2= 1x ( normal transmission rate ) others = defined dependent on STYPE Where STYPE is 000002, TR is defined as follows. TR: 01 2= 2x 10 2= 4x 11 2= reserved
46、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: 00 2(1x), the DBC value increments with 1; 01 2(2x), the DBC value is a multiple of 2; 10
47、2(4x), the DBC value is a multiple of 4. 6 61883-2 IEC:2004 5.4 CIP header for 525-60 system For the 525-60 system, the values of the CIP header components are as follows. DBS: 01111000 2FN: 00 2QPC: 000 2SPH: 0 DBC (see 5.3) FMT: 000000 250/60 : 0 STYPE: 00000 2 TR: 00 2= 1x, 01 2= 2x, 10 2= 4x5.5
48、CIP header for 625-50 system For the 625-50 system, the values of the CIP header components are as follows. DBS: 01111000 2FN: 00 2QPC: 000 2SPH: 0 DBC (see 5.3) FMT: 000000 250/60 : 1 STYPE: 00000 2TR: 00 2= 1x, 01 2= 2x, 10 2= 4x 6 Transmission timing The transmitter shall transmit a time stamp va
49、lue in 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 the packet which has the time stamp has arrived at the receiver; packet_arrival_time_L is the cycle time when the l
