HDMI, DVI and Component Cables Explained

HDMI, DVI and Component Cables Explained

Background:

As the HDTV market continues to heat up, consumers are in need of being educated on the latest technology in order to make intelligent purchasing decisions. There are a plethora of articles explaining the technical pros and cons of the 3 dominant HDTV display technologies namely: LCD, Plasma, and DLP. However, one all- important, but overlooked feature in selecting a HDTV set is the type of HD video connection. The video connections available for HDTV are: component video, DVI (digital video interface) and HDMI (high definition multi-media interface). We will discuss briefly the pros and cons of each.

Component video cable commonly referred to as R, G, B (Red, Green, Blue) actually consists of 3 separate cables because it distributes the 3 primary color components to the display. All colors can be generated from weighted distribution of each Red, Green and Blue color components. Of the 3 HD connection technologies available today, analog component video is the most mature technology.

-Advantage: Analog component video cable is mature and cost effective.

-Disadvantage: component video cables are analog! All HDTV sets are inherently digital therefore extra digital to analog and analog to digital conversion is necessary in order to process the video. This extra conversion can introduce video artifacts. Since all HDTV's are digital, it only makes sense to use an all- digital connection such as DVI or HDMI.

DVI (digital video interface)as the name suggests is an all-digital video connection. Unlike analog component cables the DVI interface transports the original digitized R,G, B video signals from the HD source to the HD display. Since it is all digital, no artifacts or degradation will be incurred. You will get EXACTLY the picture that the video source supplies with no degradation. DVI connection is often found on HDTV as well as PC video cards.

-Advantage : DVI is ALL-digital, so there is no picture degradation from source to display.

-Disadvantage : Digitizing R, G, B requires extremely high bandwidth. The aggregate data rate of the digital R, G, B signals is 1.65 Gbps! The high bandwidth means that cable quality is important and also the link distance is limited. Typical link budget for a DVI is ~ 15 ft.

HDMI (high definition multi-media interface) is the latest state of art audio and video connection. Technically, HDMI is identical to DVI with 3 notable differences. 1) HDMI is a much smaller connector (it looks like an U.S.B. connector), 2) HDMI utilizes copy protection called HDCP (high definition copy protection) and 3) HDMI carries multi channel digital audio. HDMI, like DVI, is ALL-digital therefore picture quality is "perfect" from source to display.

-Advantage: HDMI is a single digital video and Audio connection. Only 1 single cable is needed to transport both audio and video! This significantly reduces cable clutter behind your theater setup.

-Disadvantage: Like DVI, the link distance is limited and a high quality cable is required because of the inherently high bandwidth required to transport digital R, G, B. video.

Conclusion:

As the HDTV market continues to mature, consumers will need to be educated on the HDTV video connections available. We have outlined briefly the main features along with the pros and cons of each connection solution, so the consumer can make intelligent a choice in selecting the HDTV video connections.

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Difference in quality between generic and Monster HDMI cables HDMI cables

There is a difference in image quality between the expensive HDMI cables for $ 99.00 retail electronic and generic brand HDMI cables, which can buy almost stuck with the change between the sofa cushions? To find out, is all, what we have to see what a HDMI cable. HDMI is a digital signaling protocol used for both audio and video signals, ie between the HDMI source (cable, satellite box, Blu-ray, etc.) and broadcast television, there is only one digitalSignal.

Digital signals provide information about the tracks. This means that the TV is only a matter of when it receives a response signal: It 'a 1 or 0? It 'really is that simple! With digital cable, whether or not the signal. There is no "in between" - without signal degradation that can occur with analog signals. If there is an electromagnetic interference or radio interference, it is highly unlikely that the TV for a 0, 1 or 0-1 for an error. If youconcerned about EMI and RFI interference, you can use a low-AWG cable. The lower the AWG number, the thickness of the cable. AWG cables are ideal for low wall installations and long cables.

Hdmi

Trademark or not, there are HDMI cable gives you the same results. As long as the cable meets the HDMI, it is good to go. From now on, to go with the cheaper generic brand cable to prevent burning along in your wallet!

Difference in quality between generic and Monster HDMI cables HDMI cables

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HDMI Cables

HDMI delivers the new form of preferred connection for HDTV. Although the high-definition TV with a Scart cable or wires, are the famous days increasingly irrelevant Scart cable with HDMI on top of the connection type.

HDMI stands for High Definition Multimedia Interface, and transmits audio and video in an uncompressed format. One of the advantages of HDMI is that it supports the video standard, enhanced or high definition, moremulti-channel digital audio on a single cable, which means that very attractive to people because they are less cables plugged into the back of the TV.

Hdmi

Many of today's audio / video devices such as computers have a Blu-ray, DVD players, set-top boxes and more than one HDMI port, so many people out there and Component Scart cable is preferred.

HDMI is also far superior to analogue lines, both in audio and visual display. It supports 8-channel,uncompressed digital audio and all (yet) to save in compressed formats such as Dolby Digital and DTS to adjust the bandwidth to grow with technology.

If you are one who are not like the maze of cables on the back of your entertainment device, you will be with an HDMI cable because it did not need two sets of wires - for audio and video. Many people who do not use too familiar with the HDMI technology, these cables simply because ofSimplicity it offers.

Now a lot of people are usually wrong when it comes to buying cables for their entertainment systems, and it is with HDMI cable. People generally think that a cable is a cable is a cable! This could not be further from the truth. HDMI cables, like all things, in varying degrees, a significant effect on image quality that is seen through these cables.

A cheap HDMI cable, for example, may suffer from EMI and RFIInterference, one in which tainted the image on your TV, radio or if it dries on the hair, and only turn on the TV will run as if it is not enough electricity for the TV. For this reason, it is important to buy an HDMI cable through a reputable dealer and not second-hand web.

Although we have good analog cable has been used for many decades, HDMI port is better in every way. This new type of transmission cable from the expiryto connect the old street entertainment devices together. If you have two minds whether to go with an HDMI cable, digital or analog stick to get the form, you should invest in an HDMI cable. They certainly do not go after the analog with an HDMI cable for your equipment.

HDMI Cables

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All about HDMI cables

Since 2003, the HDMI cables have become more popular, with hundreds of computer companies in accordance with the requirements of HDMI HDMI adapter.

7 companies to meet with this camera, digital A / V miracle, and the growing number of consumer electronics companies to constantly adapt to technology.

Hdmi

What type of HDMI cable?

HDMI stands for High Definition Multimedia Interface. These cables are digital audio and video connections for high-definition multimedia data can be transferredon a single line or feed. Digital cable offers a viable alternative to older analog cable.

Each cable has the ability to communicate, high-resolution screen and provide 8 channels of digital audio.

What are the benefits, these lines?

After a high-speed Transition Minimized Differential Signaling (TMDS) protocol, with a bandwidth of 10.2 gigabits per second, can process different HDMI audio signals in high definition, including MPCM, LPCM, DTS, DTS- HD MasterAudio, Dolby Digital, DVD-Audio, Dolby Digital Plus, DTS-HD High Resolution Audio, Dolby TrueHD and Super Audio CD with amazing clarity. You can also read high-definition video signals to 480p 480i, 576i to 576p, 720p and 1080i, 1080p at 1440p, 2160p 1600P, and so on. In this category, these cables are second to none.

Since this cable HD content on a single line may be transferred, does not care about messy wiring.

HDMI cable, you can make all kinds of funThings in the comfort of your own home. If you already have an HD movie, you need cables to connect all types of digital entertainment gadgets to your HDTV here. A typical HDTV has made at least 2 HDMI slot for external devices such as DVD players, digital video recorders, game consoles, camcorders, Blu-Ray, PC and many others.

The cables are expensive?

There's this kind of cables that are cheap and do not necessarily have to be expensive. Prices range from $ 2 to $ 10,even if the HDMI cable in the market that sell for up to $ 50, but you have to buy them. There is no significant difference between a $ 10 cable and a cable for $ 50, say when the store can offer a lifetime warranty.

$ 10 HDMI cables are hardy things, the frequent use and can last a long time to survive. If by chance, your $ 10 HDMI is stopped, you can always buy another, and there is still much more convenient if youpurchased high-end model.

All about HDMI cables

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