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#1
January 14th 08, 02:53 AM
posted to alt.comp.periphs.videocards.nvidia
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How to select TV chip with better flicker filtering
Hi,
I don't know whether this is a suitable place for my question or not. I just thought there are more experienced people here. It is hard to find TV chips that can output text without much flickering. Is it there any parameters that I can follow so that I can find a TV chip with better flicker filtering? Or can you recommend some chips? thanks in advance. litchie 
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#2
January 14th 08, 04:19 AM
posted to alt.comp.periphs.videocards.nvidia
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How to select TV chip with better flicker filtering
litchie wrote:
Hi, I don't know whether this is a suitable place for my question or not. I just thought there are more experienced people here. It is hard to find TV chips that can output text without much flickering. Is it there any parameters that I can follow so that I can find a TV chip with better flicker filtering? Or can you recommend some chips? thanks in advance. litchie The Conexant and integrated chips you find on GF8's and HD2900's are the best you're going to get in a consumer graphics card. Flicker is a natural consequence of the downsampling that must occur to fit the entire screen onto your TV. If you turn off overscan you'll notice a significant portion of the screen is missing, but everything appears very sharp (even via composite), but then you have to use a virtual desktop to see everything. Generally this looks good for DVD's and other media with slight bordering, but not usable for general desktop applications. If you want a better TV-out, either go with HDTV output to a display that doesn't do overscan, or look into a dedicated scan converter (several hundred bucks). Scan converters are used professionally for TV shows and commercial displays. They generally can make even a 1024x760 (XGA) or 800x600 (SVGA) screen look somewhat readable without too much distortion.
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#3
January 14th 08, 05:38 PM
posted to alt.comp.periphs.videocards.nvidia
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How to select TV chip with better flicker filtering
litchie wrote:
Hi, I don't know whether this is a suitable place for my question or not. I just thought there are more experienced people here. It is hard to find TV chips that can output text without much flickering. Is it there any parameters that I can follow so that I can find a TV chip with better flicker filtering? Or can you recommend some chips? thanks in advance. litchie If you're talking about TV-Out (to an Analogue TV) on a graphics card, then... http://en.wikipedia.org/wiki/Display_resolution Read the bit about Interlace. Anti-aliased fonts, judicious choice of foreground/background colours are your friends, here.
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#4
February 5th 08, 03:58 PM
posted to alt.comp.periphs.videocards.nvidia
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How to select TV chip with better flicker filtering
7765
"litchie" wrote in message ... Hi, I don't know whether this is a suitable place for my question or not. I just thought there are more experienced people here. It is hard to find TV chips that can output text without much flickering. Is it there any parameters that I can follow so that I can find a TV chip with better flicker filtering? Or can you recommend some chips? thanks in advance. litchie
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