The HDMI cables have altered the way we enjoy entertainment significantly. Anyone owns a HD television, a home theatre or a game console, must have heard about HDMI cables. For those not familiar with HDMI cable, the cable may look like any other wires are used to connect TVs to video players – but it goes beyond that. The HDMI port is more than just a simple “port” but employs a mechanism that allows high-definition electronic devices to communicate with each other, sending excellent quality image and sound through one single cable.
What is HDMI?
HDMI means High Definition Multimedia Interface, which is transmitted through cables that carry high amounts of high-definition videos and uncompressed audio. The cable itself is composed of copious amounts of internal conductors, which carry audiovisual content, controls, copy protection and communication data.
In order for you to make use of an HDMI cable, your devices must have HDMI ports. You can connect almost any device of choice with the use of HDMI cables – home theater systems, televisions, computers, projectors, gaming consoles, Blu-ray players, satellite receivers and even your smartphone.
In the past, we mainly used televisions with standard definition, but that was before the rise of high-definition televisions. These standard definition televisions relied on analog signals, which were dependent on electrical currents.
The standard resolution of these televisions was 640×480. The pictures produced by these televisions were interlaced, moving quickly enough for the human brain not to realize that each piece of the moving picture was only half of a picture.
Today, HDTVs use digital technology, where information is in the form of ones and zeros. In contrast with analog signals, which travel on electricity, the digital information goes through the cables as distinct electrical pulses; the pictures produced are also progressive, which means that such pictures are composed of whole moving images. And with HDMI, which creates high-bandwidth connections between the connected digital devices. It makes your home theater system a whole lot better since it produces up to 4Kx2K HD signals, supports at least eight channels of uncompressed audio, and lessens the need for more than one set of cables lying around the system.
Is there any difference between cheap HDMI cables and the expensive ones?
You can get cheap HDMI cables that cost around $10, and there are ones that cost up to $1000. With that price difference in mind, is there a huge difference in performance between a product that costs ten dollars as opposed to one that costs thousands? This leads us to an interesting question. If they are all the same, then why is Brand A more expensive than Brand B? The difference in pricing can be due to the materials used in making the cables and, the marketing.
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The expensive HDMI cables are pricey chiefly because of the aesthetics, the amount of copper found in the internal wirings, and especially the brand that produced it. As mentioned above, digital signals are the “senders” of information through the wires and not necessarily the wire itself. So, if the wire is intact, digital signals can pass from one port to another effortlessly. The only reasons that can cause your HDMI cable to lack in performance are: factory defects or breaks in the cable, or if you are using the cable over a very long distance, something more than 50 feet, or probably bandwith not enough.
The performance of HDMI cables are frequently affected by length, thus if you need longer cables, look for active cables like those with RedMere technology, which are a bit more specialized. But, if you plan to connect devices in a short distance, any regular HDMI cable will do. And bandwith is an important factor when producing HDMI cable, and it varies with by HDMI version. Usually there are HDMI1.4, 2.0, 2.1. The higher version means larger bandwith varies from 10.2Gbps – 18Gbps – 48Gbps. Without doubt, HDMI2.1 is the best. However it is rarely used for the moment. It costs you much more, and you are wasting, only if you have a 10K TV.
It is always vital to ensure you are getting the very best possible sound and picture performance out of your system. HDMI cables will help you connect almost any AV equipment together with maximum fidelity and minimal fuss.