The reason why TV images in supermarkets are often better than at home

Have you ever wondered why when you buy a TV in the supermarket, most of the TVs look beautiful, the image quality is sharp, but when you buy home to use, the image is not the same as when you see? Is the supermarket wrong, giving you another TV so the image quality is so bad? Or are the other TV models allowed so that it can display such beautiful and impeccable images? These questions will be answered below.

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1. The first reason is due to the quality of the source

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The images and promotional videos that we watch on TV in electronics supermarkets are videos for producers themselves. Often, this video is shot with high quality camcorder systems so it will give high resolution and definition. In addition, videos often invest carefully, carefully after the release of quality sample videos that we watch. Often these videos will have a resolution equal to or higher than the resolution of the TV.

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Speaking of which, perhaps many consumers are thinking negatively that manufacturers are deceiving consumers, but in reality it is not. Producers do this because they want to create a perfect sample video so you can see just how good their TV is. The physical strength of the TV is fixed and it cannot be changed. TV when we buy, most used in the purpose of watching TV programs of the current stations. But most of the current TV stations only support the maximum resolution of 720p HD far less than the popular resolution of today's TV like Full HD, 4k. Due to too many programs, so the image quality is not well invested, so when it comes to high-resolution TV, it will encounter a phenomenon of cracked, grainy, fuzzy images when viewed. . That is not to mention SD TV channels with only 720x576 pixel resolution, the display quality is even worse.

2. The next reason is due to the quality of the signal transmission line

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Most consumers are using signal transmission via AV port (short for Audio Video, also called Composite port) this is the common signal port commonly seen on TV models from the old days. This is also the reason why image quality is significantly reduced compared to out-of-store. These AV gateways usually only download images on a TV with a low resolution so if you use a high-resolution TV, the image quality is bad. Today most TV models that are equipped with HDMI ports help to show the most optimal images on the TV screen, but TV manufacturers still retain the AV port because it is still a standard connection. use today.

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Because TV has two transmission ports, consumers are more likely to use AV ports than HDMI, making the display quality low. However, if you already use an HDMI port and the image quality is still poor, you need to find out what HDMI is. HDMI stands for High-Definition Multimedia Interface which means high-resolution multimedia interface.

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Many of us, when looking at and buying HDMI cables often think that they are all the same type, the same in terms of signal quality and only different designs because they both plug into HDMI ports are no different. About plug-in ports like micro USB 2.0 and 3.0 models. But in fact it is very different. HDMI cables have up to 5 types. There are two popular types commonly used for high-resolution TVs today: standard HDMI cable and high-speed HDMI cable. Standard HDMI cable only supports 1080i / 60Hz resolution, while high-speed HDMI cable supports resolutions up to 1080p, Deep Color, 3D format. In addition HDMI cable has versions such as version 1.3, version 1.4 or version 2.0, version 2.0 is the version released on September 4, 2013 and it is currently the highest version of HDMI cable with television capabilities. 4K resolution image (4096x2160p) 60 frames / sec.

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Not only that, the price of HDMI cable is also varied, ranging from 100 thousand VND to several million VND depending on the needs of users.

3. The last reason is because the quality of light in the supermarket is usually better

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Supermarkets have beautiful lighting and users are psychologically affected. The store lighting is often very brilliant, which, combined with the projection mode, will create a "glitter" visual effect that if you take it home, you won't see it. Besides, a series of TV shows with similar quality images make you psychologically and often very easily convinced.

4. In order for the TV to display a good image, you need it

In order for the TV to be able to display images with the right capabilities and good image quality as well, we should choose the standard HD TV packages. Absolutely do not choose standard SD channels to watch on TVs with HD resolutions up to 4k. Currently programs are also developing, giving consumers many choices such as digital terrestrial television DVB T2 and high-definition cable TV. These two types of television have the advantage of supporting HD channels with high definition. In addition to standard HD packages, cable television also provides analog packages. This is a TV package with only SD-standard channels, suitable for use with old CRT TV models. If you use LCD TV models with HD resolution or higher, do not choose this analog cable channel package.

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You see, it is not that you are fooled or your TV is "dirty" but the conditions at home do not allow your home TV to maximize its features. Therefore, base on your available conditions and entertainment needs to decide on the right television set.