How do I freeze VGA or HDMI

Dep5758
Dep5758 used Ask the Experts™
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I need to freeze an HDMI or VGA output of a PC that is going to a LCD monitor.  I don't want to blank or mute the image but actually freeze the frame until the user is ready to "represent" again. Do you know of a box that will perform this that is also controllable via RS-232 or Telnet (using Crestron)?  Thanks!
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Commented:
I think you're looking for something like this?
http://www.epiphan.com/products/frame-grabbers/

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Commented:
Not really....the user is using Power Point on a PC that is connected to a 65 inch monitor.  They want to run the output of the PC (VGA or HDMI) into a box that will perform a video freeze to allow them to make any changes to the presentation so the audience cannot see it.  As soon as the user is ready to continue the presentation again they will unfreeze the image.  The box needs to be controlled via RS-232 from a Crestron control system.

Commented:
Hi,

It sounds like the sort of kit to do this would be a Video Scaler with RS232 control?

Regards,


RobMobility.
Commented:
Hi,

Something like this would enable you to go VGA to scaler and then DVI to HDMI. It has RS232 control capability and supports image freeze:

http://www.extron.co.uk/product/product.aspx?id=dvs304dvi&search=freeze

See pages 30 onwards for RS232 control (Page 42 includes the freeze video input - in this case Input 4).

http://media.extron.com/download/files/userman/68-1039-rev_C.pdf

Regards,


RobMobility.

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