Ntsc video signal to image file with PXI-5114?

Is it possible to use a PXI-5114 digitizer to capture a NTSC video signal and reconstuct a single frame to be saved as an image file?

Hi Jason,
I think the example Kyle posted is for the NI 5112 digitizer, which has to use an IMAQ board to video trigger since it does not support video triggering. However, the 5114 is one of the boards that does support video triggering, including the NTSC format. More information can be found in the digitizers help manual (online here). If you are using LabVIEW, we have a basic video triggering example that you can take a look at and try out (the example is called "niScope EX Video Triggering.vi" and can be found from the LabVIEW Example Finder or by going to Start » Programs » National Instruments » NI-SCOPE » Examples from your Windows start menu). If you need to acquire the entire frame, that will probably require you to sample a very large amount of data, in which case you may or may not be able to stream it to disk. In the best case, you can acquire the entire frame in a single record without having to do any streaming to disk. Otherwise, you may need a digitizer that can stream high throughput to a hard drive RAID or something of the sort if you plan on acquiring a large amount of data. Worst case is that it is just too much data, too fast, and it cannot be streamed. Perhaps with more details of the signal and your expected sample rate, we may be able to provide some additional guidance on the possibilities of acquiring the entire frame. Hope this helps!
Daniel S.
National Instruments

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Number of Lines : 1200
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**** Pls rate all useful responses ****

Ntsc video signal to image file with PXI-5114?

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