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SMPTE ST 356M-2001 Television - Type D-10 Stream Specifications - MPEG-2 4 2 2P ML for 525 60 and 625 50.pdf

1、SMPTE STANDARD SMPTE 356M-2001 525/60 and 625/50 Page 1 of 7 pages 1 Scope This standard specifies the compression constraints and bit-stream characteristics of an MPEG-2 video elementary stream operating at bit rates up to 50 Mb/s. One of the intended applications is to provide a bit stream compati

2、ble with the type D-10 format digital recorder. The video compression format defined and constrained by this standard is fully compliant with the MPEG-2 video standard (ISOAEC 13818-2 4:2:2P ML ). 2 Normative references The following standards contain provisions which, through reference in this text

3、, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent edition of the standards indicate

4、d below. I) SMPTE 305.2M-2000, Television - Serial Data Transport Interface (SDTI) SMPTE 326M-2000, Television - SDTI Content Package Format (SDTI-CP) SMPTE 328M-2000, Television - MPEG-2 Video Elementary Stream Editing Information ISO/IEC 1381 8-2:2000, Information Technology - Generic Coding of Mo

5、ving Pictures and Associated Audio Information: Video (MPEGQ Clause 6.1 describes the structure of coded video data along with a cross reference to ISO/IEC 1381 8-11) 3 Specification of the type D-IO MPEG2 4:2:2P 8 ML elementary stream 3.1 General characteristics The video-ES bit stream, as defined

6、in this standard, shall comply with the syntax of SMPTE 328M, MPEG-2 video elementary stream editing information. In order to provide accurate editing, playback in slow-motion, and variable-speed replay including pictures in shuttle, this clause defines encoding parameter specifications suitable for

7、 the type D-10 format capable of recording MPEG video-ES streams at bit rates up to 50 Mb/s. The MPEG-2 video-ES bit stream constrained to these parameter specifications is fully compliant with the MPEG-2 video-ES syntax and can be successfully decoded by a compliant MPEGP 4:2:2P Q ML level decoder.

8、 Copyright 2001 by THE SOCIETY OF 595 W. Hafisdale Ave., White Plains, NY 10607 (914) 761-1100 MOTION PICNRE AND TELEVISION ENGINEERS Approved August 23,2001 SMPTE 356M-2001 Maximum coded frame size 3.2 MPEG compression parameter constraints Up to 208,541 bytes net (30/1.001 I-frames/s) Up to 250,00

9、0 bytes net (25 I-frame in particular, in those applications where it can be expected that the signal will be recorded by a VTR. When used as a signal source for the type D-10 recording format, the bit stream is carried by SDTI-CP, as defined in SMPTE 326M, using recommended operating point bit rate

10、s as defined in this annex. Other bit rates may be used. However, users are cautioned that other system design parameters within the studio may not support all bit rates. Table A.l indicates recommended operating points to simplify studio operations and to provide users with a tool to be used in des

11、igning systems. Annex B (informative) Type D-1 O recording format compression model B.l Introduction This annex specifies the recommended implementation of the compression model for the type D-10 format digital recorder with an MPEG-2 video-ES bit rate capacity of up to 50 Mbls. This model includes

12、the recommended input and output interfaces for the type D-10 recording format. B.2 Digital recorder compresslon model An intemal D-10 compression encoder shall encode the baseband video input signal to an MPEG-2 video-ES at 50 Mbls (see figure B.l). Alternatively, the type D-10 format can record bi

13、t steams using the SDTI-CP data interface at bit rates up to and including 50 Mb/s as defined in annex A. The SDTI-CP interface extracts the MPEG-2 video-ES from the SDTI-CP stream and the type D-10 format transfers that stream transparently to the SDTI-CP output interface (or to an MPEG-2 decoder f

14、or conversion to a baseband video signal). Page 5 of 7 pages I SMPTE 356M-2001 Baseband + Video MPEG video ES 50 Mbls only f D10 compressor L b Tape t SDTI-CP SDTI-CP Stream Interface b Figure B.l - Digital recorder compression model DIO lape Recorder , b Annex C (informative) Type D-10 recording fo

15、rmat digital interfaces C.l Introduction Equipment which provides digital video, digital audio, and SDTI (SMPTE 305.2M) interfaces to the type D-10 format digital recorder is recommended to meet the following general interface specifications: C.2 Dlgital vldeo interfaces C.2.1 Encodlng parameters Th

16、e digital component signal to be processed should comply with the 4:2:2 encoding parameters as defined in ITU-R BT. 656 or ANSIISMPTE 125M operating only at 13.5 MHz luminance sampling frequency. C.2.2 Serial digital vldeo interfaces The interface of any digital component video signal should conform

17、 to the component serial digital interface format as defined in ANSIISMPTE 259M for both 525/60 and 625/50 systems. C.3 Dlgltai audlo Interface C.3.1 Encoding parameters The digital audio signal should be encoded according to the following parameters: - The sampling frequency (Fs) shall be 48 kHz fo

18、r both 52960 and 625/50 operation. - The resolution of each sample is 24 bits maximum. - The audio coding is twos complement linear PCM. NOTE - Video compression encoding may introduce delays in the video signal path; these delays may need an equivalent audio delay. Page 6 of 7 pages SMPTE 356Nl-200

19、1 C.3.2 Serial digital audio Interface The interface of any bit-serial digital audio bit stream should conform to AES3. C.4 Serial data Interface The serial data transport interface (SDTI) should conform to SMPTE 305.2M. B The SDTI data mapping format should conform to SDTI-CP defined by the followi

20、ng documents: - SDTI-CP format: SMPTE 326M (SDTI content package format) - SDTI-CP E and M: SMPTE 331 M (element and metadata definitions) - SDTI-CP templates: SMPTE RP 204 (MPEGQ 4:2:2P O ML) The SDTI-CP template type value should be Olh, which specifies the MPEG-2 4:2:2P i9 ML baseline template as

21、 follows: - Transfer modes: O (synchronous) - Timing modes: O (normal) and 2 (dual) - Multiplexing: Not supported - FEC: Supported - Items: System, picture, audio, and auxiliary - SMPTE 305.2M: 270 MblS Annex D (informative) Bibliography AES3-1992, Digital Audio Engineering - Serial Transmission For

22、mat for Two-Channel Linearly Represented Digital Audio Data ANSVSMPTE 125M-1995, Television - Component Video Signal 4:2:2 - Bit-Parallel Digital Interface ANSIISMPTE 259M-1997, Television - 10-Bit 4:2:2 Component and 4fsc Composite Digital Signals - Serial Digital interface SMPTE 331 M-2000, Televi

23、sion - Element and Metadata Definitions for the SDTI-CP SMPTE 365M-2001, Digital Television Tape Recording - 12.65-mm Type D-10 Format for MPEG-2 Compressed Video - 525160 and 625150 SMPTE RP 204-2000, SDTI-CP MPEG Decoder Templates EBU D84-1999, Use of 50 MbitIs MPEG Compression in Television Progr

24、amme Production EBU D85-1999, Constraints on MPEG 4:2:2 POML Compression to Ensure Interoperability in Television Production ISOIIEC 11 172-2:1993, Information Technology - Coding of Moving Pictures and Associated Audio for Digital Storage Media at up to about 13 Mbitls - Part 2: Video ISOIIEC 1381

25、8-1:2000, Information Technology - Generic Coding of Moving Pictures and Associated Audio Information: Systems ITU-R BT.656-4 (02/98), Interfaces for Digital Component Video Signals in 525-Line and 625-Line Television Systems Operating at the 4:2:2 Level of Recommendation ITU-R BT.601 (Part A) B Page 7 of 7 pages

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