He should know. Current lower performance VGA/DVI-D chipsets are much smaller these days with frame memory in the chipset. Some representative end products areOriginally Posted by smokinoakum
http://www.newegg.com/Product/Product.aspx?Item=N82E16815118301
http://www.newegg.com/Product/Product.aspx?Item=N82E16815290006
http://www.newegg.com/Product/Product.aspx?Item=N82E16812225007
http://www.newegg.com/Product/Product.aspx?Item=N82E16812200034
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Recommends: Kiva.org - Loans that change lives.
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Those devices don't look like something you could install in a camera?
Neil -
Originally Posted by smokinoakumRecommends: Kiva.org - Loans that change lives.
http://www.kiva.org/about -
Originally Posted by edDV
Neil -
Originally Posted by smokinoakumRecommends: Kiva.org - Loans that change lives.
http://www.kiva.org/about -
Originally Posted by smokinoakumRecommends: Kiva.org - Loans that change lives.
http://www.kiva.org/about -
Ok, I'm having a hard time finding a RGB to VGA display chipset as a search. I also tried YCbCr to VGA display chipset, and a host of every combination I can think of. I know I'm a bit slow, but am I missing something?
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Originally Posted by smokinoakum
http://www.intel.com/technology/graphics/index.htm
http://www.nvidia.com/page/products.html
http://ati.amd.com/products/index.html
http://www.siliconmotion.com.tw/en/en2/products_sm370.html
http://www.siliconmotion.com.tw/en/en2/products_sm722.html
http://www.4dsystems.com.au/prod.php?id=15
http://www.cmd.com/applications/support/mediaguard/index.php
http://www.dontronics-shop.com/micro-vga.htmlRecommends: Kiva.org - Loans that change lives.
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Update:
I heard back from the camera maker and he thinks it will work with the chipset already in there. My camera goes back to him tomorrow.
So now my question is, what can I expect as far as improvement with the VGA compared to the s video?
Neil -
A slightly sharper picture. Less macroblock artifacts. He'll probably have to change the contrast, gamma, and saturation in order to get better levels.
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I just wanted to thank you guys so much for helping me out with this project. I would have been in total darkness if it wasn't for you. I hope this will offer up a new experience for us Video and Electronically Assisted Astronomy geeks. I realize though experience that this form of capture will not rival standard AP, but that's a different animal with way more work to achieve results that you can share with others, especially in real time over the web.
I will make sure to post the final results when I get everything running, and in the meantime, if you have any further suggestions on how to improve the picture quality with what I will be working with, be sure to do so.
Neil -
Originally Posted by smokinoakum
Here is a few comparison Snaps using three different devices, and setups.
Feel free to suggest better ways of doing this.
Neil
The First snap is with the ADS video express.
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The last one is with the VGA2USB LR working with the Aver Hybrid express and Windows Media Player.
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Like I said, if you know a better way to do this, please speak up!
Neil -
Only to repeat what I said above. This is a good way to display on a generic computer monitor but not a good way to stream. VGA is not intended for capture.
Recommends: Kiva.org - Loans that change lives.
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Where are you getting those colorbars from? The VGA cap is way overblown. The colorbars in the first two caps are much closer to what's normal for a computer monitor.
AviSynth's RGB ColorBars() (luma 16-235):
AviSynth's ColorBars(pixel_type="YUY2") after rec609 contrast expansion for computer RGB display (what most PC programs when displaying YUV sources):
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