In general, a component video is one that has already been split into two or more component channels. Component video is often referring to analog, so beware.
A single cable carrying video will be carrying a composite video signal. This signal has brightness and two color signals encoded into a single signal. To generate a component signal (YPbPr)a video decoder is required. They are available from many sources from low cost domestic units to stunningly expensive broadcast models. The better the decoder, the better the resulting image. It is very important to understand that a composite signal has suffered losses because of the encoding. Decoding the signal to component does not restore that quality. Component interfaces can handle high definition as well as standard definition signals. Decoding a composite signal will result in a standard definition signal. Connecting it to a high definition input will not result in a high definition signal. Normally, the only reason to decode the signal to component is to interface to a device that only accepts component signals.
Normally, connecting a DVD player to a computer monitor isn't possible. VGA uses separate signals for red, green and blue colors as well as two synchronization signals. Most VGA monitors do not have other video inputs but check the manual to be sure. DVD players use either a single signal, called composite video, two signals called S-video or three signals known as component video. None are compatible with the RGB input of a VGA monitor. A note about the distinction between RGB and component video: Both signals use three cables to carry video. In many cases, domestic televisions have inputs that can be switched from one type to another. They are often marked with the came color coding. Despite this, they are not the same type of signal and are not compatible with each other.
You will need a converter box. It isn't as simple as a cable to convert one to the other. There are many on the market, Google Component Video to VGA converter.
S Video to component cables can be purchased at many retailers as they are very common. Some of these retailers include Walmart, Staples, or Office Max.
because internet that comes down a telephone line are analogue signals and the computer on understands digital signals ( 1 and 0s , Machine code, binary) so the modem translates the analogue signals from the phone line to digital and translates digital signals from the computer to analogue
Composite video is a single RCA cable that contains all of the video information. It is usually denoted by a yellow connector at each end of the cables. Component video has 3 RCA cables to carry the video information (Y, Pb, Pr). It is usually denoted by red, green, and blue connectors at each end of the cables. S-video separates the Y and C portions of the picture to avoid color smearing in the playback along with slightly higher picture quality. Composite video is extremely limited in the quality and resolution of video. Component video is capable of carrying all the HDTV resolutions (480i to 1080p). Composite and S-video are limited to standard definition signals (480i and 576i). Within the domestic video market, there are virtually no devices that offer HD as an analog component signal. It is also important to note that Component Video is a digital video format, while Composite/S-Video/RGB is analog. RGB and Component connectors can often be mistaken, since they are color-coded in the same way - using the colors red, green and blue - so it is important to read the manuals of the devices, or read the labels at the inputs/outputs of the same. There are converters that will decode a composite or S-video signal to component video, but usually run over $100 and up to $300. The benefits of such converters is very limited. Once a signal has been encoded into a composite signal, some of the signal information is lost. Decoding the signal back to component does not recover the information lost. Bear in mind that every television monitor has a composite decoder built in. It is a necessary part of the signal chain to get to red, green and blue signals that are displayed on the screen. Using a separate decoder simply moves the process to another point in the signal path. Many newer home theater receivers now incorporate up-conversion into their features so all the video signals will output as a high definition HDMI signal. Once again, the benefit of up-conversion to HD is limited. Converting a 480 or 576 line standard definition signal to an HD signal does not add any more detail to the image. However, some up-converters in DVD players or receivers are better quality than the converters in the television itself, so the end result may appear somewhat better than using the televisions re-size circuitry.
A scart connector is a 21 pin rectangular connector that carries video, audio and control links between video recorders, DVD player etc and televisions. They have been popular for many years in Europe but are now giving way to HDMI as the new digital video interface becomes the accepted standard. As with all analog video signals, the video signals carried by the connector are designed as a point to point signal. Splitting a video signal and connecting to two inputs will load the signal and reduce the voltage level of the signal at both inputs. At best, this will reduce the image quality and may cause the image to fail completely. Although it is unlikely to damage the source equipment, it is not recommended practice. The audio content on the other hand can be split and taken to two inputs without any noticeable change to the audio performance. The best way to split a signal on a scart connector is to take the video content through a video distribution amplifier. The amplifier will then drive each of the inputs correctly and retain the voltage levels required. Although many television stores will not stock VDAs, they can be found though most audio visual dealers either online or local stores.
Component video is one of the high-end video interfaces offered on audiovisual equipment today. It supersedes composite video and S-Video by providing greater signal clarity than either, resulting in better picture quality. The component video interface consists of three RCA or coaxial jacks, one green, one red and one blue, requiring three cables. Component video carries visual data only. Audio cables are still required. Like composite and S-Video, component video is an analog interface, but its three cables better preserve the various elements of the video source signal. These elements are the Y signal, which carries brightness or contrast values, and the C signal, which carries red and blue or color data. Green values are parsed by a deductive process from reading all three streams. Therefore, component video is sometimes referred to as "RGB" for red, green, blue. The component video interface is marked either Y Pr Pb or Y Cr Cb. There is some misunderstanding among technophiles as to the difference between component video marked Y Pr Pb versus Y Cr Cb, with some claiming the latter is digital while the former is analog. Experts point out that both designations mean the same thing on consumer level equipment, and both are analog. There is a digital variety of Y Cr Cb, but it is not used in consumer level products. While regular television signals, VHS tapes and laserdiscs all encode visual data using lesser quality composite video, DVDs use component video for encoding visual data. A DVD player with component video outputs, connected to a television with component video inputs, will provide a picture far superior than one using composite video connections. Component video is also a step up from S-Video in that component video is a multi-scan technology, which means it can deliver the video stream in differing modes to accommodate various frame rates for progressive-scan or interlaced televisions. Component video cables are available in different configurations. All three cables might be encased in a single sheath with triple tails at each end, or the cables might be bonded or ribboned together. Three single RCA or coaxial cables can also be used, but should be the same length and type. Increased cable quality, tips and shielding add to the cost, as will the length of the cables. Many people have numerous free cables around the house from purchasing past equipment, and some people opt to use these to connect component video. Bear in mind that standard cables are color-coded red and white, so care must be taken to match the green, red and blue jacks with the same wire on both pieces of equipment. Cabling made for component video is color-coded green, red and blue for this reason. It is also usually of higher quality and might have better shielding coverage and lower impedance levels. If results are unsatisfactory using standard cables, a cable upgrade might make a difference.
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There are many different video capture cards on the market, and they are a component that has nothing to do with catching with bait, a snare or a trap. I would advise speaking with a professional to assist you in finding the right video capture card for your specific needs.
Generally it isn't possible to send two video signals on a single wire although there are instances where it can happen. Video over Ethernet allows multiple signals to be sent in packets although the nature of Ethernet means that the signals will each have a delay so synchronizing the signals may be difficult. Video over CAT5 uses converters that take a video signal and modify it to run over a single pair of a CAT5 cable. Normally, two more pairs would be used for stereo audio. If mono audio is used, it is possible to run two composite video signals with audio down one cable. Note that video over CAT5 uses the same cable as Ethernet but employs a very different signal format to Ethernet. Composite video signals use a single cable but in fact, the signal has three separate video components encoded into the signal. The signals are one for brightness and two for color information. Together they make up a full color signal and can be separated into the three components at the far end. Although the cable carries three signals, remember that they are all parts of the same color signal so this probably doesn't qualify as two signals. Finally, cable broadcasters use encoding systems to allow numerous signals to be carried on a single cable. The one that enters a house to supply a cable receiver carries many signals with just one being decoded and output by the receiver. This takes complex hardware at both ends so is outside the scope of most home users.
Component video cables are optical and can vary significantly in build quality so do not only look for the lowest price. Because there are many manufacturers, do your due diligence with this product and look for online reviews before any hasty purchases. Also make sure that this isn't your only option for transmitting video; newer, higher quality cables like HDMI are available and unless restricted by your set, you would do better to pass on component.