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Proceedings Paper

SMPTE/IRIG composite time code for video instrumentation systems
Author(s): Donald R. Snyder; Robert Baker
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Paper Abstract

The continuing increased reliance on high speed shuttered color video cameras for instrumentation applications has resulted in a data synchronization discrepancy between the video data files and most other instrumentation system files. The color video systems based on the National Television Standards Committee (NTSC) system have a 59.94 Hz time base while Inter-Range Instrumentation Group (IRIG) timing based systems are typically clocked on even fractions of 60 Hz. This paper describes the definition of a new data correlation technique compatible with both NTSC and IRIG timing sources and the development of a prototype airborne encoder to demonstrate its use.

Paper Details

Date Published: 19 January 1993
PDF: 12 pages
Proc. SPIE 1757, Ultrahigh- and High-Speed Photography, Videography, and Photonics, (19 January 1993); doi: 10.1117/12.139130
Show Author Affiliations
Donald R. Snyder, Air Force Wright Lab. (United States)
Robert Baker, Datum, Inc. (United States)

Published in SPIE Proceedings Vol. 1757:
Ultrahigh- and High-Speed Photography, Videography, and Photonics
Donald R. Snyder, Editor(s)

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