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05-14-2017, 11:29 AM
msgohan msgohan is offline
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Amusing in retrospect, after the years of complaints about the different 650 and 750 models having precisely the image pumping fault they attribute to their competitors' implementation.


Originally Posted by Multimedia Mike, ATi Technologies, Ontario, Canada
(via HEXUS forum, 2006-06-14)

I just want to clarify a few things for you because there seems to be some confusion. AGC works on all inputs, including Composite and S-video. It's automatically on all the time so you don't need to worry about turning it on or off or adjusting it or anything. Regarding documention, this feature is not a unique ATI feature. It's more about how we do it rather than what it is. Most things in this industry have AGC, but it's all about its quality. You can get a quick description and pictures of it in the Theater 650 Pro Whitepaper. Its AGC is similar to the Theater 550 Pro one with some improvements. You can download the whole Whitepaper at:

^ Dead link, but Archive.org to the rescue. I've also attached the PDF.

Originally Posted by ATI Theater 650 White Paper
Automatic Gain Control (AGC)

The purpose of AGC is to smooth out the incoming video in case there are fluctuations in signal strength, brightness, or intensity of an image. When an AGC is implemented properly, the user should not notice any major changes in brightness when changing channels or when there is a sudden change in the color on the screen. The Theater 650 Pro employs an advanced AGC algorithm which provides superior signal control relative to competitive solutions resulting in clearer more vibrant images, as illustrated in Fig.3 below.

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File Type: pdf ATITheater650WhitePaper.pdf (486.0 KB, 4 downloads)
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