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SMPTE Meetings and Conferences ( November 1999)
[ACTIVE]

Smart Digital Video Interfaces Solve the Problem of Multiple Standards

Metadata

Publisher
SMPTE — White Plains, NY
Doc Type
Conference Paper
Content Type
Original Research
Volume
1999, No. 8, pp. 1–13
Abstract
Recent introduction of many new digital high definition video standards has created a challenge for interfacing various types of video equipment. On the same physical interconnections a variety of different video and audio formats can be transported. There are already over 57 new different video formats standardized, and the number will likely continue to grow. The formats may have any combination of the following parameters: active raster size (display resolution), progressive or not, different vertical rates, RGB or YUV color space, different synchronization references, ancillary data presence and type, multiple transport links (auto-adjustment of phase) timing reference signals Future digital video equipment will incorporate smart interfaces to relief users from the burden of “running around” and manually switching modes of different “boxes”. Smart interfaces will increase productivity of video studios, video databases and such. This paper describes a computer system (with storage) employing a smart video interface to automate system interaction with the outside video equipment. The paper also explores detailed technical solutions to the smart video interface challenge. Example of “High Definition Video I/O” card from SGI (former Silicon Graphics) is used to illustrate how the right architecture can allow for implementation of various circuits for automatic recognition of video formats. The card received two awards (“NAB 99 editors' pick of show”, and “The Tommy Award” from Millimeter magazine“) and great applause from the video post-production community.
Publication Date
1999-11-01
DOI
10.5594/M00334
Link
https://doi.org/10.5594/M00334
Author(s)
Greg SadowskiSGI , Mountain View, California
Copyright
© 1999 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • • SMPTE274M 1920×1080 Scanning and Analog and Parallel Digital Interfaces for Multiple Picture Rates'. EXTERNAL
  • • SMPTE296 1280×720 Scanning, Analog and Digital Representation and Analog interface. EXTERNAL
  • • SMPTE291M Ancillary Data Packet and Space Formatting. EXTERNAL
  • • SMPTE272M Formatting AES/EBU Audio and Ancillary Data into Digital Video Ancillary Data Space. EXTERNAL
  • • SMPTE305M Serial Data Transport interface. EXTERNAL
  • • SMPTE RP 165 Error Detection Check-words and Status Flags for Use in Bit-serial Digital Interfaces for Television. EXTERNAL
  • • SMPTE RP 196 Transmission of LTC and VITC Data as HANC packets in Serial Digital Television Interfaces. EXTERNAL
  • • U.S. patent #5608461 Programmable Frame Detector. EXTERNAL
  • • SMPTE 141 st Technical Conference “High-Definition Stripping, Genlock, and Timing Regeneration of Multiple Formats of High-Definition and Film, Michael Poimboeuf, SGI. EXTERNAL
  • • SMPTE292 Bit-Serial Digital Interface for High-Definition Television Systems. EXTERNAL
  • • SMPTE240M Signal Parameters 1125-Line high-Definition Production Systems. EXTERNAL
  • • SMPTE260M Digital Representation and Bit-Parallel Interface—1125/60 High-Definition Production System. EXTERNAL
  • • SMPTE267M Bit-Parallel interface—Component Video Signal 4:2:2 16×9 Aspect Ratio. EXTERNAL
  • • SMPTE 125M Component Video Signal 4:2:2—Bit Parallel Interface. EXTERNAL
  • • SMPTE259 10-Bit 4:2:2 component and 4fsc—NTSC Composite Digital Signals. EXTERNAL
  • • SMPTE293 720×483 Active Line at 59.94-Hz Progressive Scan Production Digital Representation. EXTERNAL
  • • SMPTE295M 1920×1080 50Hz Scanning and Interfaces. EXTERNAL
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Greg Sadowski; Smart Digital Video Interfaces Solve the Problem of Multiple Standards, SMPTE Meetings and Conferences ( November 1999); SMPTE, 1999. Available at https://doi.org/10.5594/M00334
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Greg Sadowski; Smart Digital Video Interfaces Solve the Problem of Multiple Standards, SMPTE Meetings and Conferences ( November 1999); SMPTE, 1999. Available at https://doi.org/10.5594/M00334

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Greg Sadowski; Smart Digital Video Interfaces Solve the Problem of Multiple Standards, SMPTE Meetings and Conferences ( November 1999); SMPTE, 1999. Available at https://doi.org/10.5594/M00334
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<span class="citation">Greg Sadowski; <cite>Smart Digital Video Interfaces Solve the Problem of Multiple Standards</cite>, SMPTE Meetings and Conferences ( November 1999); SMPTE, 1999. Available at <a href="https://doi.org/10.5594/M00334" target="_blank" rel="noopener">https://doi.org/10.5594/M00334</a></span>

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Preview:
Greg Sadowski; Smart Digital Video Interfaces Solve the Problem of Multiple Standards, SMPTE Meetings and Conferences ( November 1999); SMPTE, 1999
doi: 10.5594/M00334
url: https://doi.org/10.5594/M00334
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<li>
Greg Sadowski; <cite id="bib-10-5594-m00334">Smart Digital Video Interfaces Solve the Problem of Multiple Standards</cite>, SMPTE Meetings and Conferences ( November 1999); SMPTE, 1999
<span class="doi">10.5594/M00334</span>
</li>