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Slides have a color shift when shooting with XHA1
I filmed a 4-hour presentation on Friday with my Canon XHA1, in Manual mode. The presenters (people) looked fine — but whenever I zoomed in to a PowerPoint slide on their projection screen, the colors (mostly yellow) had a strange “strobe” / alternating effect. In other words, the text colors on the slide kept shifting. Any ideas?
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2 Replies
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In what mode were you shooting? While I’ve never had any strobing while shooting at 30FPS in sd with other camcorders, my guess is that you were seeing the difference in the scan rate between your video mode and what was coming from the projector. The projector was acting as a computer monitor. Next time, use the clear scan function on your camcorder to first lock up to the scan rate of the projector. Video of the speaker will be fine.
Joel Servetz
RGB Media Services, LLC
Sarasota, Fl
videobyjoel@aol.com -
An editing consideration vs. technical consideration
When I have been in this same situation, filming speakers in front of slides, usually it is because they want their presentation filmed. I have noticed that a slide never looks as good filmed as it does if you can get the actual image file and edit it into the speech when you are in post.
I’d ask the speakers for the jpegs and ppt. doc, then I can focus on the speaker for the duration of the presentation, and edit the images in, nice and clean in post.
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