SMPTE/IRIG composite time code for video instrumentation systems

Donald R. Snyder; Robert Baker

doi:10.1117/12.139130

19 January 1993 SMPTE/IRIG composite time code for video instrumentation systems

Donald R. Snyder, Robert Baker

Proceedings Volume 1757, Ultrahigh- and High-Speed Photography, Videography, and Photonics; (1993) https://doi.org/10.1117/12.139130
Event: San Diego '92, 1992, San Diego, CA, United States

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.

Citation Download Citation

Donald R. Snyder and Robert Baker "SMPTE/IRIG composite time code for video instrumentation systems", Proc. SPIE 1757, Ultrahigh- and High-Speed Photography, Videography, and Photonics, (19 January 1993); https://doi.org/10.1117/12.139130

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