HDMI, a brief overview - such as the right HDMI cable for your new HDTV or home theater Select
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When shopping for a new HDTV or home theater system is often a way to connect to all the confusing decision of all.
With the introduction of HDMI, the idea was to simplify the connectivity between devices, and what a big step forward. Of course, like most things, there are some minor quirks, but this technique is mostly positive benefits.
HDMI (High Definition Multimedia Interface) means that a single digital connection between source and display can nowthe colorful RCA connectors, which are known up to now been replaced, or would be correct, as the Spaghetti Junction will be described lurks behind many a home theater system wiring.
Besides the obvious advantage of smaller footprint, with an HDMI cable means you'll be able to offer a full HD digital video signal (1920 x 1080 pixels) and uncompressed multi-channel digital audio to enjoy. Formats such as Dolby TrueHD and DTS-HD Master Audio soundtrack with impeccable quality, offeringidentical to the studio master.
Another important fact to consider that S / PDIF connections, such as optical / coaxial digital Toslink not provide enough bandwidth for high-definition audio. These types of connections have a maximum speed of 1536kbps data transfer, which is just enough for the legacy audio codecs such as Dolby Digital, DTS, or uncompressed 2-channel linear PCM (48kHz/16bit at a maximum resolution).
The potential flaws with HDMI technology usually results from HDCP (High-bandwidthDigital Content Protection)-handshake problems or EDID (Extended Display Identification Data) synchronization problems. Normally, there are ways to overcome within the settings for each device to have such problems. However, this would be to cover a different topic in detail at all, and we in another article addressing the future of these technologies in detail later.
So now you are shopping for nice new HD TV and you might be wondering, what is needed to set everything up?
The oddsare you came across some very expensive cables and / or other accessories in the search for the new set. The good news is that this article should help you better equipped with knowledge so that they do not end up unnecessary costs for the new home entertainment setup.
Maybe you should read this article after shopping at a local dealer and went home stunned, because all the accessories cost so much. Well, this is the truth that they have not.
May have heard that HDMI is digital so that theThe cables are all the same. While this is true at a fundamental level, it is not always so simple. How everything is still interested in a certain level of quality performance.
Not strictly related to the HDMI cable in particular but in general there are products that are insanely expensive. There are also products that are just cheap and nasty. Best of all, there is great quality to find the right price is.
I'm not telling you whoevery single HDMI cable is a blatant rip off out there, or try to say that every low-cost option is cheap and evil. There are too many variables in relation to this coverage. And 'this middle path (of good quality at a low price), I like it here will focus in this article.
So what is the make-up of an HDMI cable? As a summary of the base, a high-speed HDMI cable with Ethernet, which is commonly referred to as v1.4 HDMI cable (although this is technicallyfalse name and we'll talk about in detail later) consists of five main blocks each with a separate braided ground wire and four separately insulated conductors. That makes a total of 19 counselors. On the outer side of the ladder under the vinyl floor is a network that, as a rule, another drain wire.
Most high quality audio visual cables use oxygen-free copper conductors, while the less expensive materials such as copper clad aluminum wire can be used(CCA), since this is generally cheaper to produce.
Probably the most important factor in terms of HDMI performance, the thickness of the thread. What does essentially refers to the thickness of the cable. This is very important for longer lengths. Lengths exceeding 5 m starting to have some impact. However, with a length of 10m and above are used, which becomes even more important. Electrical signals, which is by its nature to absorb. This means that over long distances, the signalgradually loses strength.
HDMI cable is usually range from 30 AWG to 24 AWG. Some varieties of 32AWG extreme use of the budget (or thinner) wire. It 'also important to note that a lower number corresponds to a thicker cable. For example, the thinner wire 30AWG and 24 AWG is the thicker line.
At a minimum, 30AWG is usually fine for up to 5 meters, 28 AWG can be pushed to a maximum of about 10m up to 15m of 26AWG and sufficient for all over this length24AWG is almost essential.
However, this limit naked. For guaranteed services are our recommendations up to 4m, 26AWG 28AWG for up to 9 feet and 24 AWG for all 10 yards or more. Sometimes, when approaching a distance of 20 meters or more, active solutions are as extenders or repeaters HDMI cables are required to expense may not be sufficient. Please also note that these guidelines are based on current technology. With rumors circulating about 4K resolution (Ultra HD - 3840 x 2160Pixels), this would certainly be a demand for an HDMI cable quality even more important.
The projection of an HDMI cable can also be very important. However, this is a less complicated issue, and virtually all high-quality HDMI cable should have three layers of shielding.
Please note that the above guidelines and recommendations only our actual results, depending on the institution involved.
In relation to the different versions of HDMI and the HDMI cable before, Indicated with the version numbers. However, HDMI Licensing, now this removed and replaced the numbers with five categories. These HDMI cables, HDMI cable with Ethernet standards, Standard Automotive HDMI cable, HDMI high-speed cable or HDMI cable high-speed Ethernet.
HDMI Licensing, has certification standards in place and also offers a HDMI adopter program. Suppliers of high quality HDMI cables should easily be able to provide appropriate certification on request. If youhappen to everyone, can not offer to get this certification, it would be our advice is that you are tired of qualities that may be offered.
Hopefully this has made some important points are available to help you get better value for money when shopping for accessories like the HDMI cable with this new high-definition TV to go.
Do not hesitate to contact us if you have further questions. We are more than satisfied with all aspects of home theater and Hi-Fi to help. Theirable on our website via the link below, where our contact details can be found easily.
- David Burgchard Area (Hi-Fi)
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