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SMPTE Motion Imaging Journal ( Volume: 115, Issue: 7-8, 2006)
[ACTIVE]

MPEG-2-Long GOP Mapping for MXF File Storage Applications

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
SMPTE Mot. Imag. J
Volume
115, No. 7-8, pp. 241–247
Abstract
The Material eXchange Format (MXF) is a comprehensive file format being widely introduced into the broadcast world. The primary MXF standard is SMPTE 377M, and this defines the file structure and metadata. To accommodate all currently used audiovisual stream formats and to provide for future developments, a generic essence container was developed (SMPTE 379M) that complied with SMPTE 377M and could be used to encapsulate many essence types. To date, many essence mappings have been written. Among them are a generic mapping of MPEG compressed data and a mapping of AES3 audio. This paper identifies the areas of MXF where constraints are applied to certain file components to encourage interoperability between various kinds of storage devices using both linear and nonlinear storage media. Constraints on two layers are considered: the use of the MXF file format structure and essence data mappings. These file constraints include the operational pattern, the use of partitions, the placement of index table segments in the file partitions, the use of index table segments, and the use of the KLV fill item.
Publication Date
2006-07-01
DOI
10.5594/J16171
ISSN
Print: 1545-0279 | Electronic: 2160-2492
Link
https://doi.org/10.5594/J16171
Author(s)
Jim Wilkinson
bio
Jim Wilkinson first worked in the area of broadcasting joining the IBA's engineering headquarters in 1974. During his time with the IBA, he worked on DICE, video compression using DPCM at 34 Mbits/sec and other video projects. In 1979, he joined the newly created Advanced Development Laboratories of Sony Broadcast, as one of the founding members, and continues to work there. During his tenure with Sony, Wilkinson has been involved in digital video recording, image compression and processing, digital audio, and metadata and filestream formats. Over the years, he has been awarded over 80 patents; both U.K. and international. He has participated in many standards activities in the AES, SMPTE, and EBU. He was an active and prolific member of the EBU/SMPTE Task Force and is now equally active within the SMPTE engineering committees on the followup work now being undertaken, with particular emphasis on metadata and filestream formats. In 1995, Wilkinson was awarded the Alexander M. Poniatoff Gold Medal for Technical Excellence by SMPTE. He is a Chartered Engineer and a fellow of the IEE, SMPTE, and the RTS.
Copyright
© 2006 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • 1. SMPTE 377M-2004 Television—Material Exchange Formate (MXF)—File Format Specification , www.smpte.org . EXTERNAL
  • 2. SMPTE 381M-2005 Television— MXF—Mapping MPEG Streams into the MXF Generic Container . EXTERNAL
  • 3. SMPTE 382M, Television MXF—Mapping AES3 and Broadcast Wave Audio into the MXF Generic Container . EXTERNAL
  • 4. SMPTE 356M-2001 Television—Type D-10 Stream Specifications—MPEG-2 4:2:2P@ML for 526/60 and 625/50. EXTERNAL
  • 5. SMPTE 379M-2004 Television—MXF Generic Container. EXTERNAL
  • 6. SMPTE RDD-9 2006—MXF Interoperability Specification for Sony MPEG-Long GOP Products. EXTERNAL
  • 7. SMPTE 378M-2004 Television—MXF—Operational Pattern 1a. EXTERNAL
  • 8. SMPTE 385M-2004 Television—MXF—Mapping SDTI-CP Essence and Metadata into the MXF Generic Container. EXTERNAL
  • 9. SMPTE 331M-2004 Television—Element and Metadata Definitions for the SDTI-CP. EXTERNAL
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Jim Wilkinson; MPEG-2-Long GOP Mapping for MXF File Storage Applications, SMPTE Motion Imaging Journal ( Volume: 115, Issue: 7-8, 2006); SMPTE, 2006. Available at https://doi.org/10.5594/J16171
Snippet:
Jim Wilkinson; MPEG-2-Long GOP Mapping for MXF File Storage Applications, SMPTE Motion Imaging Journal ( Volume: 115, Issue: 7-8, 2006); SMPTE, 2006. Available at https://doi.org/10.5594/J16171

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Jim Wilkinson; MPEG-2-Long GOP Mapping for MXF File Storage Applications, SMPTE Motion Imaging Journal ( Volume: 115, Issue: 7-8, 2006); SMPTE, 2006. Available at https://doi.org/10.5594/J16171
Snippet:
<span class="citation">Jim Wilkinson; <cite>MPEG-2-Long GOP Mapping for MXF File Storage Applications</cite>, SMPTE Motion Imaging Journal ( Volume: 115, Issue: 7-8, 2006); SMPTE, 2006. Available at <a href="https://doi.org/10.5594/J16171" target="_blank" rel="noopener">https://doi.org/10.5594/J16171</a></span>

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Jim Wilkinson; MPEG-2-Long GOP Mapping for MXF File Storage Applications, SMPTE Motion Imaging Journal ( Volume: 115, Issue: 7-8, 2006); SMPTE, 2006
doi: 10.5594/J16171
url: https://doi.org/10.5594/J16171
Snippet:
<li>
Jim Wilkinson; <cite id="bib-10-5594-j16171">MPEG-2-Long GOP Mapping for MXF File Storage Applications</cite>, SMPTE Motion Imaging Journal ( Volume: 115, Issue: 7-8, 2006); SMPTE, 2006
<span class="doi">10.5594/J16171</span>
</li>