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Video signals cannot be split in the same way that other signals such as audio signals can be split. The nature of the signal means that they demand an active splitter, normally called a distribution amplifier. The amplifier will generate two or more signals from the incoming signal, each with the correct voltage and impedance to drive a single input. A splitter that does not have a power supply is a passive one and they do not split the signal correctly. Always make sure you get an active unit (It will always have a power supply).

The quality of the image depends on the quality of the amplifier. Cheap distribution amplifiers are never as good as the best quality units. While you normally don't need to spend hundreds, it is worth avoiding the cheapest ones.

However, a bigger problem with many VGA signals is the cable used. Longer runs of VGA signals should be run on cable that has co-ax cables within the multi-core cable. It can be difficult to identify the cables but as a rule, thicker VGA cables will use co-ax cable inside. The thinner ones won't and they should be avoided for long cable runs. A good quality co-ax type cable will support a cable length of 100 feet or more. The cheap cables will show signs of signal degradation at as little as 10 - 15 feet.

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Q: Does a vga y splitter cable effect the video quality?
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Is it true that HDMI cables provide the best quality HD picture because the audio and video connections is in the same cable?

There is no truth in the statement. HDMI is an interface that carries digital audio and video signals. The image quality is dependent entirely on the quality and resolution of the signal that is delivered to the HDMI port by the video source. The HDMI connectors and cable carry that signal to the receiver but the cable does not change it in any way at all. DVI is compatible with HDMI other than the fact that there is no audio carried with the video signal. The video signal is identical to that carried by an HDMI cable and so this alone proves that statement to be false.


Do you need an audio cable with a s video cable?

Yep. S video is video only


What is better HDMI audio or digital optical audio?

HDMI and optical are both physical carriers for data. Whatever signal is put onto the cable or fiber will come out the other end and will be identical quality. The quality of the signal is entirely dependent on the signal source and not the interface cable. The better interface is the one that fits better into the system in question. For an audio only set up, optical fiber will probably be the right choice. For video based systems with soundtracks for video content, HDMI will be the more convenient solution. The important point to note is that neither method will degrade the audio quality nor will either of them enhance quality. The cable or fiber is effectively completely transparent and has no effect on the resulting sound. Please note: HD audio formats like Dolby True HD and DTS Master Audio cannot be transferred by optical cable.


Which AV cable is video?

In a set of cables with red, black (or white) and yellow cables, the yellow cable is a composite video cable.


Can you play a VHS through a projector if so what cable do you suggest?

Audio and Video cables, red and white for audio and yellow for video, if both units have a S-connector use it. The S-cable is a better video cable. If you use a S-cable you don't use the yellow video cable.

Related questions

Will a video cable splitter allow two monitors to work off the same pc?

A video splitter type cable will allow you to view 2 monitors.


What is the purpose of a component video splitter?

A component video splitter allows a signal to be transmitted from one device to others. One can connect their cable and with the use of a splitter allow it to be transmitted to a different device.


How does a monitor splitter cable work?

A computer monitor splitter cable is used to send video signal from one monitor to a second monitor. This may be helpful when making presentations to meetings or for demonstrations in classrooms.


What determines color quality on a monitor?

You GPU, And the quality of you VGA, Or Video Cable. Ex. If you have a 2$ Video cable you color quality would be bad.


Who offers video splitting programs?

The CNet website offers a software called "Easy Video Splitter". The online location for Boilsoft offers Video Splitter, Video Cutter, AVI Splitter, MPEG Splitter.


Is an HDMI splitter compatible with Digital Audio?

HDMI splitter is compatible with Digital Audio. HDMI cables and splitters are carrying audio and video signals without any data loss or downgrading quality.


Why are S video ports better than composite out ports?

The picture is slightly better in some circumstances because the S-Video separates the brightness and color signal from the source on two conductors in the cable. The resolution is the same, and does not effect the audio quality. If your TV has only S-Video or composite connectors, you may notice no difference in the quality of the picture. The big steps in quality upgrade come when you use a component video or HDMI cable.


What does a S Video cable do for your TV?

An S Video cable improves picture quality while watching videos. It is plugged into your TV from a video output source.


What are the benefits of the HDMI cable?

High definition Multimedia interface cables provide better video quality, uncompressed digital video and audio quality, a single cable and integrated remote control.


What does Ultra Video Splitter do?

Ultra Video Splitter is a program you can download to your computer. After downloading the program it can be used to split long video files into shorter clips so you can compile them together.


What is the purpose of a Video Splitter Cable?

The purpose of a VGA cable system is to use one computer and display it on multiple monitors. This is extremely useful for streaming movies, or watching live shows when a lot of people want to watch something.


Why would one need an HDMI splitter?

An HDMI Splitter is used to send video signals to many different devices that one may have and need to send a video signal to. If one has a computer and a television they ham use a HDMI Splitter so that they can get a video signal on the television as well as on the computer.