Quantcast CDM-630 as a TBC? Composite-only timebase corrector? - digitalFAQ Forum
  #1  
12-29-2013, 09:05 AM
bhs00 bhs00 is offline
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I purchased a cdm-630 from eBay yesterday and it says it has a built in time based corrector. In fact it looks a lot like a avt-8710, but it doesn't have s-video. It is marketed as a device to switch between NTSC and PAL. Does anyone know about this unit? Will it work for TBC purposes?
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12-29-2013, 11:27 AM
volksjager volksjager is offline
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if it doesnt have s-video i wouldnt even bother with it.
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12-29-2013, 11:49 AM
bhs00 bhs00 is offline
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Well it was only $15 shipped, so I figured it was worth that just to play with.
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12-29-2013, 06:22 PM
Cyclone82 Cyclone82 is offline
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Here is the info so people know what you are talking about
http://www.tvone.com/cdm-630.shtml
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02-03-2018, 10:27 PM
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The CDM-630 is an interesting yet unpopular device.

In hardware, it converts PAL to NTSC, and NTSC to PAL.
And then it will pass NTSC to NTSC and PAL to PAL.

As far as the TBC goes, there's a catch. It ONLY works on conversion, not passing native. So it cannot be used a general TBC. It's a direct pass, bypassing the TBC altogether. I've seen devices like this before. It's sort of like how S-VHS VCRs combine DNR with TBC, and you cannot shut off the DNR. Here it's paired with signal conversion, or not at all.

If you want a conversion box, I've see worse. It's mostly good for lazy conversion, where you don't want to mess with the quality software conversion methods (Avisynth, audio editors for 4% adjustment, etc).

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