Does the price of HDMI determine its quality?

日期: 2019-08-01
浏览次数: 36

Why is the price of the HDMI cable always floating? Before choosing an HDMI cable, the first thing to consider is its price. Many people will ask if the price of the cable can distinguish good or bad quality of a cable. This problem seems to have been fixed a long time ago. That is the cable with high-priced is good, so this problem has been determined to be such a freeze. But what we'd like to say today is to choose the HDMI cable in addition to look at the price level, but also need to look at its internal structure.

The HDMI interface is different, the bandwidth and supported technologies are different, and HDMI cable and HDMI interface are also divided into 1.3 to 2.0 versions on the market. The latest version has reached the 8K 2.1 version. The higher the version of the cable, the higher the resolution supported, so the HDMI cable should be compatible with the HDMI interface version, at least the cable version should be higher than the interface version.

If the price of HDMI determine its quality?

If the HDMI version you purchase is lower than the HDMI interface, the HDMI 2.0 interface is equipped with an HDMI 1.4 cable, which cannot transmit 4K@60Hz video images. But if you give the HDMI 1.4 interface equipped with an HDMI 2.0 cable, there is no problem in use, just spending more money, because the high version of HDMI cable will certainly be a little more expensive. Due to the high version requirements of the cable, the corresponding supported bandwidth is higher, otherwise the bandwidth required by the HDMI Association cannot be achieved. For example, the latest HDMI 2.1 is required to reach 48 Gbps, and the requirements for materials and processes of the cable are even higher.

If the price of HDMI determine its quality?

There are several kinds of materials for the traditional HDMI wire core. Generally, the best is pure copper, or pure copper is plated with silver. Pure copper can guarantee the quality of signal transmission, reduce signal interference and signal loss, and the inferior is to use alloy and iron as wire core. How to tell? Of course, the easiest way for distinguishing is to open and see, and it is also the most impossible way. We can bend the wire properly. The copper wire is soft and flexible. Otherwise, it may not be copper wire. It is easy to break after repeated bending.

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