It will work with your tv, it is for RGB.
Component out on video cards?
I'm looking to connect my HTPC to my TV (no HDMI) with component video and I see some video cards come with an adapter that looks like a S-video to component video, but I'm not sure if that is for component video or RGB. Is anyone running that setup right now and can vouch that it works on TVs? I'm looking at this Sapphire HD4650 for that capability.
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According to this page:
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So now I'm just confused as to what the ones for video cards are vs. what I have on my TV and what I really need....
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| Is there a difference between RGB and component? Is there a difference between RGB and component? First let's examine exactly what RGB and component are, what they do, and how they do it. First we will look at RGB. This is also known as VGA. RGB stands for red, green, blue, and is an existing computer analog video standard that has been around for a while. It can carry computer and standard video at HD resolutions at 100 feet away or more, if a quality cable is used. The numerous RGB analog component video standards generally offer the ultimate analog video signals that are available in consumer electronics. With RGB no compression is ever used and there is no real limit in resolution or in color depth. Numerous televisions in Japan and Europe use RGB by using a SCART connector. All arcade games utilize RGB monitors, except black and white games and some early vector games. Analog RGB is losing popularity as computers can get better clarity by using Digital Video Interface (DVI) and home theater technology leans toward High Definition Multimedia Interface (HDMI). Despite all the suitability and quality, because RGB can not simply be applied with Digital Rights Management, it has been mostly ignored in North America, because S-video was considered adequate. RGB usually requires additional conductors for video display synchronizing. Several techniques are used: composite sync, where the vertical and horizontal signals are together on one wire (RGBS) separate sync, where the horizontal and vertical are on one separate wire each (RGBHV) sync on green, where a composite sync signal is overlayed on the green wire (SoG or RgsB) Composite sync is common in the European connection scheme SCART. Sometimes a complete composite video signal can also serve as the sync signal. A full composite sync video signal needs four wires - Red, Green, Blue, and Sync. Additional types of component analogue video signals do not use Red, Green, Blue components, but rather a component without color, called the luma, combined with one or more components that do carry color, called the chroma, that gives only color information. Both the S-Video component video output, which needs two separate signals, and the Y'PbPr component video output, which needs three separate signals, seen on DVD players are examples of this method. Converting video signals into luma signals and chroma signals allows for subsampling of the chroma, a method that is used by DVD players and JPG images to reduce storage requirements for video and images. When people discuss component video today, the Y'PbPr scheme is usually what is meant by them. Many consumer DVD players, video projectors, plasma displays, and other electronic devices use this color coding form .In component video systems, extra synchronization signals could have to be sent along with the images. The synchronization signals are usually transmitted on one or two separate wires, or the signals embedded in the blanking period of one or more of the components. S-Video stands for separate, or super, video. This is a technology used for transmitting video signals over a cable by separating the video information into two different signals: one signal for color (chroma) information, and the other signal for brightness (luma) information. So basically one signal, the luma, transmits information in black and white, and the other signal, the chroma, transmits all the color information. When these signals are sent to a television, this results in sharper images than composite video , where video information is transmitted as one signal over one wire. This is because televisions are intended to display separate Luma (Y) and Chroma (C) signals. S-video does this as it was intended. To answer the question is there a difference between RGB and component, the answer is both yes and no. Yes there is a difference between RGA and certain types of component video. RGB is considered one type of component video, so in that respect RGB and component video are the same with no differences. However, RGB is just one type of component video, and there are differences between RGB and S-video, which is another type of component video. One difference in RGB and S-video is that S-video uses two separate signals and RGB uses three signals. Component video is not the same as RGB. RGB video puts the horizontal/vertical sync information in with the color information. RGB colorspace, even if it is carried only on three cables, is not the same as component video colorspace. |
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I have seen RGB on an old CRT monitor, but other that that they are pretty scarce nowadays. You can bet that it will be component video because thy are going to support modern tv sets. hence the HDTV clue
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Originally Posted by Cheetos316  According to this page: So now I'm just confused as to what the ones for video cards are vs. what I have on my TV and what I really need....
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The card comes with both an S-video to Component (the adapter with R-B-G plugs) and S-video to Composite (the little yellow plug).
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I find it odd that the TV has Component input but not S-video or Composite (or does it?).
I find it odd that the TV has Component input but not S-video or Composite (or does it?).
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I see a lot of people spitting out S-video on this thread. Just remember that real S-video is a 4 pin connection. It has the quality (bandwidth) between composite (white-red-yellow) and component video. The connection you see included with video cards is usually a 7 pin there is a 9 pin also and this is for video in and out. Anyway I just wanted to clarify that the 7 pin connector may be called S-video because it is the same size and shape as S-video but it 7 or 9 pins and has the component quality (bandwidth) while the s-video 4 pin is not something you would want to use in your tv if you have component jacks on it.
4pin
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7pin
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Originally Posted by blupupher The card comes with both an S-video to Component (the adapter with R-B-G plugs) and S-video to Composite (the little yellow plug).
I find it odd that the TV has Component input but not S-video or Composite (or does it?). |
4pin
7pin
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Ah thanks for that clarification. You are right. Zooming on on that video card shows a 7-pin, not the standard 4-pin S-video connector I'm used to seeing. So what if I wanted to do 4-pin S-video out with that card? I'd need a 7-pin to 4-pin adapter? Wow... didn't think I was going to get this deep into this! Thanks again for your help guys!
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If you have component video on your tv you would want to use the standard 7 pin to component video cable that you are looking into because the picture quality will be superior to 4 pin s-video. That is what I was trying to describe to you in the other post.
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Component video is easily capable of supplying enough bandwidth for a 1080p HD display. Component video is the analog equivalent of HDMI or DVI and depending on the signal source processing unit the output signal may look better on component than a digital signal such as my HD satellite receiver does.
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That's correct the VIVO is the video in video out I spoke about above. That is why we have the 9 pin s-video connector to allow for the video in on the extra pins.
And good point on the VGA/DVI question as you could go straight from your card to your tv with those cables also.
If you want to check out some cables Monoprice has high quality cables for cheap prices.
Originally Posted by Cheetos316 Ah thanks for that clarification. You are right. Zooming on on that video card shows a 7-pin, not the standard 4-pin S-video connector I'm used to seeing. So what if I wanted to do 4-pin S-video out with that card? I'd need a 7-pin to 4-pin adapter? Wow... didn't think I was going to get this deep into this! Thanks again for your help guys!
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Originally Posted by identitycrisis The 7-pin is to support component video I would assume, its going to look fine, just tweak your resolution settings based on the limitations of your tv. Its probably not going to be able to run the best resolution though. Plug'er in and go. |
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Originally Posted by Mr Bear Most video cards now, have what they call a "VIVO" port. Looks similar to s-vid but has more pins and can be used with different plugs. Also, I do know that some ATI cards (you can also buy them separate elsewhere) Have DVI > component adapter connector. Either way will have the same affect. My question is.. does your TV have a vga or dvi input? |
And good point on the VGA/DVI question as you could go straight from your card to your tv with those cables also.
If you want to check out some cables Monoprice has high quality cables for cheap prices.
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^^Actually.. component video usually only runs up to 720p/1080i and 1080i is pure crap as it is scaled and not a true picture as with progressive video but vga/dvi can run true 1080p
Originally Posted by K3VL4R Component video is easily capable of supplying enough bandwidth for a 1080p HD display. Component video is the analog equivalent of HDMI or DVI and depending on the signal source processing unit the output signal may look better on component than a digital signal such as my HD satellite receiver does. If you want to check out some cables Monoprice has high quality cables for cheap prices. |
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Yeah your right. Just looked at the cable I bought again. I forgot that my Satellite HD receiver was 1080i.
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Originally Posted by Mr Bear ^^Actually.. component video usually only runs up to 720p/1080i and 1080i is pure crap as it is scaled and not a true picture as with progressive video but vga/dvi can run true 1080p |
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PREMIUM 3FT 5-RCA Component Video/Audio Coaxial RG-6 18AWG 75Ohm CL2 Rated Cable Component video (Y, Pr, Pb / Y, Cr, Cb) is the among the best analog methods for transferring crisp, vibrant video from your various sources. It will support high definition up to 1080i and progressive scan signals. Monoprice offers both standard and premium grade cables. Both are made with the finest materials and constructed with the best craftsmanship. |
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