My advice for buying flat-screen TVs

Foreword: I personally understand some, but not the TV industry or TV enthusiasts, if you have any mistakes, please correct me and welcome discussion.

Both the Home Appliances Forum and the Pacific Flat TV Zone can see the discussion of many flat-panel TVs. Many words such as the three-primary LED or 8bit or 120HZ are repeatedly mentioned by manufacturers or enthusiasts. But this kind of data-only theory is not very familiar with it. Right, every year, the Android flagship will be propaganda data on the hardware, from 2G RAM to 1080P, from the bandwidth to the polygon filling rate per second. All of them are one step ahead, but why aren't the icons for the application clearly as clear as the 2010 Iphone4?

What I want to say is that TV viewing is also a comprehensive experience. Simply emphasizing the display quality of the TV itself is meaningless. It is like a high-end headset. With less support from the source and the audio source, the sound quality will be greatly reduced.

1) Speaking from cable TV

Cable TV is a source of programs for many people at home. After more than 20 years, the (domestic) transmission method is still the RF interface, and the most from the in-line (left) to the spiral interface (right) Physically solved the problem of poor contact. But compared to the replacement of the display interface in the computer industry, it can be said that it has been twenty years. Later, the country began to promote the digital transformation of cable TV, (now it should be about the same, remember to stop the analog signal in 2015 to broadcast) on the basis of coaxial cable such as cable TV transmission of digital signals. As a result, TVs from various households are hanging on the wall. If you look at the cable, you need to place a set-top box in the cupboard. It is necessary to spit out the slot here. Due to the different standards of broadcasting and television in various localities, the digital receiving equipment is more diverse. Manufacturers also want to push the digital TV machine. However, to sell all-in-one machines, it is necessary to talk about access, issuing cards, and divisions with various broadcasting and television operators around the world. So many operators must talk about it, and all kinds of approvals and interests are entangled. Manufacturers want to forget, I still honestly do TV.

Now let's talk about everyone's cable set-top box. Suppose now that the production transmission of the TV is digital and it is transmitted to your STB signal input endlessly. The set-top box processes and transmits it to the TV. Wait, how is your set-top box and TV connected? AV line? Color difference line? S terminal? Or HDMI? If it is the first three, this analog connection will convert the digital signal to an analog signal, and it cannot support 720p and above resolution at all. At the same time, a set-top box worth about RMB 300 converts the signal into an analog signal, which is passed to the TV. The TV is again analog-to-digital (because the display principle of LCD is digital). You can imagine, with high-grade moving iron headphones to listen to ordinary tape drive, the headphone cable is still broken together.

Connecting with HDMI will be much better, at least the process of digital-to-analog conversion. There is a very simple way to compare the differences. Everyone has it. Taking video lines and hdmi ratios, the trailer on the front page can easily see the difference.

The picture shows the East Cable HD set-top box Cisco 8600 interface, high-definition set-top box plus high-definition programming plus HDMI connection to achieve high-definition (720p up) display. The comparison result of the netizens is not as good as that of the telecommunication IPTV 1080i, but this is already the best effect obtained with the wired signal. (Opened himself to look at, the main chip is blocked by the heat sink, not on the circuit board map) The little their own set-top box, Eastern Cable actually said that for a long time will not lock, what is the provision of this?


2) Why the Japanese Television Festival is losing ground

In 2007-08, it was the first round of large-screen liquid crystals entering the family. The price of 40-42 inches fell within 1wRMB. At that time, Japanese manufacturers launched a lot of flagship machines, selling 13 renminbi, netizens later into the sun singles. A large number of materials that do not hesitate to contribute to the high image quality have also brought about complications. Caused a thick body, high repair rate. However, the analog signal digital signal is a pit, and you have to carefully tune your materials because you can't predict what part of the attenuation of the received analog signal is damaged. Take a movie industry example. Why is Hollywood's film in the 1950s and 1960s still so clear that it can produce blue light, and the domestically produced movies in the 80's couldn't bear it. That's because the five major movie companies all have their own constant-temperature, constant-humidity data bases, and they regularly reprint the film. The digital era has come to be repaired and digitally stored. Later on, digital photography was simply used. The domestic movie film (tape) did not enjoy this, and when the broadcast was rubbed once, the film quickly became full of snowflakes. Of course this is just an example of a video source. Analog signals are more delicate and long-distance transmission is more difficult. Japanese manufacturers have accumulated a lot of experience on analog signals and CRT TVs since the antenna era, so this aspect has profound skills.

What smzdm sea Amoy has all, why not sea Amoy TV, in addition to large, but also mainly because of the different ways of receiving digital signals in various countries (refer to the television signal). More familiar with Germany, took a German figure: More than half of German home TVs are digitized. It can be seen that the digitization of television signals in 2009 has been the choice of most people in Germany. When the main customer group receives signals that are digital signals. The analog signal optimization capabilities accumulated by Japanese manufacturers such as Sony Ericsson have no longer mattered. If you are interested, you can detach and dismantle the current TV. Apart from the panel, there are usually up to three circuit boards. Driver board, power board, signal converter board. Circuit board components are also simple. The resistors and capacitors used are common grades. If you look at the chip, you may also find the MTK MediaTek name.

Seen a lot of netizens' sensation of being overwhelmed, said the LCD era, starting in 2009, all aspects have regressed. Mr. Qian Zhongshu said: The quality of students and the heart of the world are the only things in this society that have been going backwards. It seems that we must add a quality flat-panel TV. So posted: The sentiment of old Sony users, the reason attributed to the shrink of the chip. This chip thing, once the development of finished strips do a good job, re-use the marginal cost is not high, it touches you want to develop a shrink version has to be re-development and trial production costs are higher. The reason should be that TV manufacturers have found that optimizing low-resolution and analog signals is a thankless task. (Could be in conflict with other optimizations and the two should be lighter? Please correct me if you have a TV chip)

Why did the Japanese lose the Korean system? Because in the TV monitor era, the panel has become a key reason for display quality. Everyone can think about their own display, why lighter and thinner? Because the use of HDMI/DP access, the need for display processing is not much, according to the input digital signal display it, TV is now the same, we think about their own home TV is usually placed on hdmi signal input What about this one? Some of the new flat-panel TVs have now eliminated the wired interface and become more and more like monitors.

My LG LCD TV was bought in 2008, and individuals do not like watching TV. Basically connected with HTPC when the monitor is used. The beginning is the VGA connection, and then there are days after the HDMI connection, can not adapt to many days, the color does not have VGA to discuss the eyes like, it should be the reason that the digital signal has not been optimized through TV internal circuit. However, the 1080P TV still has an advantage over the HDMI interface.

There are netizens posting new Samsung flagship ES8000 broadcast cable not as good as 2008's low-end Hisense. The same is true, this flagship (at least video chip) is developed for the world, will not be optimized for your Chinese cable signal, improve your signal quality, juvenile.

In summary, it is not that the manufacturers have been deliberately shrinking. This is due to the digital trend. There is no analog signal source below 720p in the eyes of manufacturers .

3) How should we respond?

The author Trinitron also used, although there are many advantages but still not as good as LCD, 05 years into the Philips 107X5, when Philips civilian high-end. A few years later, the new LCD monitor was also thrown away. The time is stronger than the people, then the flagship thing will be shot on the beach after the waves. Therefore, it is not necessary to superstitiously believe that the outdated electronic product flagship (the price of God will be added).

According to barrel theory, I suggest that you should improve your weakest piece of wood and watch high-fidelity cable TV set-top boxes plus digital output. This improvement is very important for you to improve the quality of your cable TV, bigger than your TV with a high quality. You can go online to look for high-definition version of the Spring Festival Gala to see the effect of high-definition digital signals and then decide.

If you watch more online TV shows online, you may consider upgrading your own network to play the most clear playback. Although the code rate of on-line ultra-clear is also very low, but the picture quality can also be accepted. Or upgrade to IPTV, Telecom's IPTV1080i signal is also good. Some online video sites such as Sohu and LeTV can join members to watch higher-quality videos. Many Chinese people are reluctant to pay for content (software). I remember that when I used to make equipment, many companies chose 2 million high-end models, and the training cost of 20,000 yuan was too expensive. I responded by looking at the operation document and the result was made. The final product was not even as good as the German worker's low-end machines. Everyone should be willing to buy 6000 mobile phones around but would not pay 6 yuan to buy App. If you have a TV life cycle of 6 years and pay about 500 yuan more per year to get a high quality content, would you choose it? HD cable package seems like a year 200? Iptv see the situation everywhere.

If you download more, upgrade your own network, download the lowest 4G size 720P. Now 100M in many places in the Pearl River Delta in the Yangtze River Delta has also become popular. It is also possible to download Blu-ray discs. Some requirements for the sound quality can be added to the home theater or strip sound such as the Dragon s412 Spring Festival Evening has 5.1 channels, remember that your TV should have HDMI audio return (ARC) or coaxial fiber output port to be good.

If you watch more discs, DVDs will be upgraded to Blu-ray, 25G and even 50G Blu-ray bitrates will be there. Easily destroy 10G RIP 1080P, 1080i and 720p. TVs can be given priority in size, considering the largest screen brand products within the budget. For example, a 70-inch flat-panel viewing area is 62% larger than a 50-inch one. Now it is around 1w, so consider adding a projection.

If it is a PS3 game madman, often playing games with flat-screen TVs, I do not play this online search for more than 10 years. Of course, there are people who rarely watch TV, so to buy a better look, accidentally to the guests to see on it, and in the future you can also see cartoons for children. TV has traditionally been a durable consumer product, but it has almost fallen into fast-moving consumer goods in terms of value.

4) Let's discuss the user

If it is for parents with few digital contacts and older parents, convenience and ease of use are the first, followed by quality, and they must not be restarted. No one cares if the mobile phone is restarted for three days. TV cannot. The size of the TV is the third and the size is large. It is clear what news subtitles will be. The quality is the fourth one, please fill in the bucket and consider this again. The fifth place is appearance, and decoration furniture should match. The following 6-8 places are more functional, brand better, and more energy-saving.

Young people buy it. The above items are reordered and selected according to their own budget and preferences.

Not to mention 4k is useless, 10k 4k is not the mainstream of this kind of speech, what is the mainstream, is the radio and television signal or the country's signal? With the rapid development of technology, Bill Gates also said that 640k memory is sufficient for everyone. Sony pushed 4k, followed by Sony Colombia responsible for the content and Sony's camera and post-production equipment, success has great opportunities. The easiest way is to lower the 4k TV price to 2k TV level. People are invaded by extravagance and easy, you never see two years, 720P's mobile phone screen has n more people say that the grain is too heavy, what is the resolution of the current 8 inch ipad mini2......... .

There is the general trend of the Internet, chat with friends of the Oriental Cable, because they do not understand the cable, asked several questions such as triple play. He said indignantly, do not mention this, what triple play, is not a big fish to eat fish, you think about the gap between the cable TV business office and mobile telecom business office to understand. See rumors that Apple wants to enter TV to occupy the living room. ITUNE has content. If you come up with a good display terminal and combine it, it will be very interesting to see whether Apple can make a profit like iphone in the Red Sea TV. It is said that the US cable network The power of China is even more difficult than that of China Radio and TV.

Written in the end. The biggest thing to hear about buying TV is: How effective this TV shopping mall is and how good it is to go home. The reason is that the shopping mall is a demonstration movie. So you try to close your program source to the demonstration. High-resolution, true-color digital sources can beat all optimizations. In the end, I came to the town of two 4k propaganda films.

To make up for it: Nowadays, the development trend of TV is to become a large-screen information terminal in a guest (sleeper) hall. Therefore, the program source and terminal are a complete system. As in the mobile phone industry seven or eight years ago, moto was concerned about the quality of the call (moto tone), Sony Ericsson's development of the camera (Sony), Nokia is a shell change model development agent channel, some people are concerned about the ecosystem? As a bold prediction, the television industry is now at such a turning point. The current development bottleneck will be quickly broken. (The biggest hope is APPLE, domestic may be LeTV, Xiaomi?, too weak and bad consumer environment ) Watching TV on a TV after 78 years is only a small part of the function, just as your smart phone now calls.


Popularize the audio and video interface knowledge, some of the information from Baidu, the picture is a set-top box but the TV uses the same interface.
CVBS composite video signals, also called AV (Audio Video) signals, belong to the first generation of video display output methods (second generation is S-VIDEO, third generation is VGA, fourth generation is DVI, and fifth generation is HDMI).
Whether CVBS or S-Video supports a maximum of 480 lines (Analog Times TV is interlaced refresh, so 480 lines are likely to be 480i rather than 480p), emphasize that the gold-plated interface is also not ......
Pb Y Pr interface is called color difference component interface, maximum support 600 lines (600i?) But generally equipped with this interface of the machine has a digital output, so this interface is not actually used much.
In addition, the digital analog conversion circuit of the ordinary set-top box video is estimated to cost tens of dollars, and the luxury materials will definitely not be the long board of your entire system.

Digression: Some netizens still hope to recommend models. I will give an example: Relatives asked me to help his children fill in the college entrance examination voluntary years ago to give some advice. I talked to this kid and told him the difference between science and engineering. Asked his personal interests, career aspirations, whether or not to study or go abroad plans, analyze the corresponding advantages and disadvantages, go to Beijing / Shanghai or read the pros and cons of their own reading, etc., in short, help him to what he did not expect to say and I pointed out that the pros and cons made it possible. I think my proposal is coming. Of course, the child's head teacher suggested that it be straightforward: he simulated the test xxx points, the first volunteer would report to xx university, the second volunteer xx university.......... Do you like this advice?

For example, netizens ABC have a budget of about 6k to buy TVs. Currently, the conditions are standard for cable standard + 4M ADSL broadband, and the living rooms are of different sizes.
A love to watch live games such as cable, or take PS3 games, you should naturally choose a high refresh rate without smearing the TV, size sacrifice it. But we must remember to change the HD signal to the cable, including the kind of ball game HD package, 200 yuan per year, use HDMI to connect TV, fully enjoy high-definition (quasi 720p) signal live.
B. Don't watch TV basically. In ten years I don't know who sponsors the newscast. Mainly look at the US drama and HD 1080P. Upgrade broadband to 10M-100M. Then choose a music X60 or Konka 55K60U 4K TV (this site is recommended), 60 In addition to the province’s purchase of boxes, content has also been available, and 4k film sources should gradually appear.
C. Occasionally watching TV and American dramas, the main thing is to put a living room, sit down, and spend the night together with a computer phone. This requires an easy-to-use branded television with a quality look that meets the requirements. Physical store to see physical electricity supplier to see the evaluation, bad review there is no choice not to accept it.
Finally, I wish you all can buy a TV that suits your needs. The Spring Festival is all the best.



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