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The competition in the smart TV industry has never been as fierce as it was today. Last year, Internet brands such as LeTV and Xiaomi rushed into this once safe fishing pond. Not only did traditional TV makers sit on the carpet, but they also quickly engulfed the war. Millet TV is a typical example. From one generation to two generations, the product's iteration speed even exceeds the mobile phone. 
From “the first TV for young people†to “the first home theater for young peopleâ€, Xiaomi TV 2 has made many adaptable changes to current television trends, such as upgrading 4K screens and improving chip performance. The addition of independent sound systems, etc., at the same time, is a matter of rising prices. Then, in the case of endless competition and increasing prices, will Millet TV 2 be able to replicate its glory in the field of mobile phones?
Design and workmanship
Continuing the packaging design of the millet TV generation, Xiaomi TV 2's huge box has no redundant accessories except the brackets, including mounting screws, screwdrivers, remote controls, power cords, and 3D glasses. 
The base of the millet TV 2 is different from the first generation of products, from the center of a base into two ends of the "human" shape of the tripod, the tripod is a metal material, can be selected according to the height of two screws installation. 
Millet TV 2 uses a 49-inch screen, which is 2 inches larger than the previous generation. However, because the frame is reduced to 6.2mm, the overall size does not increase, and the overall look is excellent. The 15.5mm fuselage is equivalent to a one-corner coin. 
Millet TV 2 uses a full aluminum alloy material, the front side of the matte aluminum alloy material, the side of the metal wire drawing process, the metal edge cut corners. The overall process has significantly improved compared to the previous generation, and the previous generation's products have no longer existed. However, the connection between the front metal panel and the side panel is not tight enough. 
All interfaces are located on the back of the device, including 3 HDMI ports, 2 USB ports (one of which is upgraded to USB 3.0), a Micro SD card slot, a VGA port, a set of AV ports, an Ethernet port, An audio output interface and a TUNER interface.
MIUI TV and interaction
On the system side, compared to the first-generation MIUI TV, the second-generation system does not have much change on the system. The upper left side is the TV signal window, the lower right side is the signal source, and the three core functions are “online videoâ€. "Game Center" and "App Store" are strikingly present in the center of MIUI TV's main interface. For details, please participate in the MIUI TV interface section of the Millet TV Generation Evaluation. You can also view the gallery below. 
Since the stable version of Xiaomi TV has been upgraded to 1.1.22, we only introduce the updated features here.
The area is the latest content paid for in the new system version of Xiaomi TV. This includes premium sections such as Hollywood, Europe and America, and Yifang Le Xuetang. At the same time, the “Sohu area†has been added. Among them, the "Advantage Hollywood" subscription fee is 15m (yuan)/month, and the annual fee is 150m. 
In terms of interaction, it is divided into remote control interaction and mobile phone interaction:
Different from the TV of generation, the millet TV 2 has abandoned the touch switch function of the MI logo on the front of the fuselage and replaced it with a touchpad under the camera body. Tap the shortcut menu and swipe left or right to select the switch. Adjust volume, 3D settings, switch sources, and more. The touchpad also has built-in breathing lights, infrared, Bluetooth and WiFi antennas. The purpose of this is to prevent children from being attracted by the flashing touch logo and repeatedly touching it. 
Millet TV 2 with the remote control in appearance with the previous generation remote control is no different, still 11 button design, just abandoned the infrared and chose the Bluetooth low-power connection, compared to the previous generation of infrared control is more The direction is limited, but the problem that this causes is that the remote controller must make a Bluetooth connection with the TV after power on, and is in an unusable state within about 5 seconds. 
Millet TV 2 has added the function of “finding the remote controlâ€. When the touchpad chooses to search for the remote control, the remote control will beep.
Mobile phone interaction is what we think is the place for Xiaomi TV. For Xiaomi TV, Xiaomi developed the “Millet Remote†mobile app. Under the same Wi-Fi environment, this app can automatically connect to the TV and act as a remote controller. The remote controller includes two interfaces, one is The physical remote control button design, the other is a full gesture control panel. 
The most useful function of this app is not to use the mobile phone as a remote control, but to search for mobile phones and TV playback functions. Because the use of remote control to input on TV is very troublesome, Xiaomi integrates the search function in this app and clicks on the search results. The content of the TV will go directly to the broadcast. 
However, the function of replacing the remote control input by the mobile phone is still limited to video search. This function can be further advanced, for example, it can be completed using the mobile phone app in all places where input is required.
Sound System: Soundbar and Subwoofer 
In order to create a home theater effect, Xiaomi TV 2 is equipped with a separate external sound system, including a Soundbar and wireless subwoofer. 
The Soundbar audio uses a strip design that contains six full-range speakers, two silk-film tweeters, and a power connector, 3.5mm audio interface, and audio input on the back. The side includes play/pause, next song, volume up/down 4 buttons. When the audio is connected to the TV, you need to press and hold the “next†button on the speaker. The above will be automatically paired. After the connection is successful, there will be a voice prompt – "Subwoofer connection is successful." 
The 8-inch subwoofer is larger and has a wavy, irregular design on the front, which is connected to the TV via Bluetooth, except that the power supply does not have an additional interface.
Due to the need for professional audio literacy and experience in the audio evaluation section, we do not comment here.
Screen and 4K playback
Millet TV 2 uses LG/Huaxing Optoelectronics 4K3D panel with a resolution of 3840×2160. The backlight module is made by Ruiyi Optoelectronics. We selected a number of 4K images to test the screen and compared it with a MacBook with a relatively accurate screen color and reduced degree of reduction. It can be found that the millet TV 2 screen has relatively high saturation under the default screen parameter settings, and the visual is relatively pleasing. Resolving power, performance is remarkable, such as the texture of the leaves is clearly visible. 
4K is undoubtedly the biggest selling point of Xiaomi TV 2, so we have conducted a detailed evaluation of this section and answered the three most concerned issues from the perspective of users.
1, true and false 4K?
The release of Xiaomi TV 2 gave birth to a discussion about “true and false 4K.†It was voiced that Xiaomi TV 2 uses an RGBW screen, which is “false 4Kâ€.
Here we must clarify that the so-called RGBW refers to adding a white sub-pixel point above the traditional three-primary-colored pixels. When the image is displayed, although the pitch is small, the PPI is high, but the size of each pixel becomes larger, giving an intuitive feeling. The inevitable is that the image is rougher.
But despite the many drawbacks of RGBW, the concept of physical resolution is at least the same as the RGB array panel, in terms of the definition of pixels. There is no such thing as the so-called "false 4K". The physical resolution of the millet TV 2 is really a 3840X2160.
So millet TV 2 panel is RGBW arrangement or RGB arrangement? After we detected it with a magnifying glass, Xiaomi TV 2 uses an RGB pixel arrangement. 
2. Can you broadcast 4K?
For 4K TVs, the lack of 4K sources has always been a key factor hindering their development. As TV manufacturers, increasing the level of hardware is more based on market competition than video. In this unbalanced situation, TV manufacturers usually use two methods to meet user needs: First, cooperate with companies with more than 4K sources to launch video platforms, and secondly, develop TV's own USB decoding capabilities.
Xiaomi cooperated with fashion group to provide 4K HD pictorial for Xiaomi TV 2, which could be regarded as another measure in the absence of 4K video content. In terms of products, the USB broadcast function of Xiaomi TV 2 supports hard decoding of H.265 decoding, and USB 3.0 can ensure smooth local playback after the introduction of Blu-ray 4K standard, while adding the function of “HD playerâ€. Can integrate external storage of video resources, on the other hand can be used with cloud routers and other cloud content 
We selected 4K sources with different 3 bit rates to be inserted into a USB flash drive and tested on the TV. The video source encoding format is AVC with a resolution of 3840×2160. The three video rates are 20 mbps, 40 mbps, and 60 mbps, respectively. . During the video playing process, all three videos are played smoothly, and the pictures are not stuck or distorted. The user can quickly switch the picture ratio, audio track, subtitles, and sound effects at any time, and can also set the playing function. Finally, we have added a 4K video at 125mbps. The video can basically keep playing smoothly, but the frame rate is not very high.
Specific screen resolution Click to enlarge. 
In the evaluation of Xiaomi TV 2, we have been asking ourselves this question: Is 4K really necessary in the current environment? Where is the actual value of 4K?
Whether domestic or foreign, 4K sources are very scarce. The first reason is that the 4K TV industry is still in its infancy, and on the other hand, the recording cost of 4K TV programs is relatively high. Second, consumers want to watch 4K TV programs. Whether they are watching through digital TV lines or through network cables, they must guarantee a high-speed network of no less than 100M per second. Even 1080P Full HD video must be guaranteed to be less than 20 MB per second, and the current domestic network environment cannot guarantee such demand.
At present, the 4K resources that users can download on the Internet are mostly demo videos specially recorded by TV manufacturers, and they have no actual value except for the display. Therefore, we believe that, for the time being, domestic consumers have purchased 4K TVs, and the most practical use is only to browse some high-resolution static digital photos, but the video content is not viewable.
to sum up
After a year's running, compared to the first generation of products, whether it is hardware design or human-computer interaction, Xiaomi TV has made great progress, from a qualified smart TV to a good product. For the focused user base, Xiaomi TV 2 still has a good appeal.
However, from the perspective of the entire industry, only one or two years of competition will allow this smart TV to enter the post-hardware profit era, and there is not much room for manufacturers to profit from the hardware itself. Millet TV made up for the shortcomings of hardware but failed to make more progress in content construction. The future direction of Xiaomi TV should focus more on the construction of content and software. After all, the price is not and cannot be the long-term advantage of Xiaomi. 
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