What is the biggest difference between intelligent projection and traditional projection hardware? It's the light source! The traditional projection uses a "bulb" based on the principle of high-voltage gas discharge, while the intelligent projection basically uses LED solid light source because of the need for lightweight. Although LED has the obvious advantages of low energy consumption, low heat generation and long life, its brightness is also significantly lower than that of traditional "bulb". Therefore, there has been an evaluation of intelligent projection "see light die" in the daytime. It can be said that whoever strides across the threshold will win the initiative.

In the past two weeks, I have been using this year's flagship product S3 of Kuletv, which is known as "projection that can be seen in the daytime". Personal feeling, The design and development of S3 is very interesting. Metal body components, full automatic focusing, gesture touch, Huiwei HiFi sound and the features that can be used as a separate speaker are among the best. The essence of products from friends such as Shenhua, Jimi, Nuts, etc. have been innovated on Kuletv S3. The most important thing is to make the national standard Lumen 1200ANSI, which has the biggest selling point. Next, let's have a comprehensive experience of this "wolf is coming" intelligent projection product.

The package of Kuletv S3 is simple, and the black background color, together with the gilded S3 and the ring pattern, is eye-catching. After unpacking, it was found that it corresponds to the top design of the fuselage. Although the copy of "Love Film, Love Life" on the side of the packaging box is relatively artistic, it is easy to think that this product was born to build a private cinema. The packaging protection is also in place. There are sponge cushions in the upper and lower layers of the box, film on the host, and special small boxes for accessories. Fixation and shock absorption are not a problem.

There is nothing special about accessories, such as conventional power adapter, connecting cable, remote control and battery. However, the power adapter is larger than the previous projection power adapter. After checking the parameters, the original output current of S3 power adapter is 7.1A, and other intelligent projections are generally about 5A. It seems that thousands of lumens really need "more horses eat grass".

One of the innovations in the projection mode of Kuletv S3 is wall mounted. Through the reflection component, it can be hung on the wall as an artwork, and can also be used as a HiFi speaker, so it must have a sense of beauty. S3's 2.5D high brightness paint plastic front, metal mesh hollowed out middle frame, multiple arc edges, 225mm * 225mm * 53mm square volume, make the visual sense tend to be stable and generous, and more suitable for integration into home.

The slightly raised front of S3 is closely connected with the metal middle frame, which is too natural without a sense of obtrusiveness, and makes people feel fuller. When the power is on, the front ring and LOGO will be lit, which can be regarded as the status indicator light. Moreover, through the small 3D somatosensory probe in the middle, gesture touch can be realized by sensing hand movements. This function is called "spare tire". When the remote control cannot be found or has no power, you can realize its usefulness.

The mirror effect brought by high brightness baking varnish is very good, but naturally there are worries about easy abrasion and dirt. I used my nails to scratch the mirror several times, and I could not see the scratch after wiping it. It seems that the mirror hardness of S3 is OK. However, from the side view, there are still many fingerprints, and the front side will feel less because of reflection. If you care about it, it is recommended that you always wipe it with a soft cloth to keep it bright.

The metal middle frame with S3 dot hollowed out has the function of finishing. The metal matte and the top 2.5D highlight mirror complement each other, and their texture is more prominent. At the same time, the metal material is not only beautiful, but also beneficial to the rigidity and heat dissipation of the whole machine.

The lens slide cover of Kuletv S3 can also be used as a switch. When the lens slide cover is pushed to one side, it will be turned on by the way. The small lens next to the main lens is a fully automatic focusing component, which automatically focuses and corrects the trapezoid by detecting the distance and angle between S3 and the projection screen or wall at any time. In fact, whether it's a slide switch or an auto focus system, they are all designed to simplify operations and optimize and upgrade the use experience.

In terms of interface, S3 provides two HDMI, two USB, one mini AV, one 3.5mm headphone hole, one RJ45 network interface, and built-in WiFi+BT, which can be equipped with an external Bluetooth speaker to meet daily needs. In particular, there is an ANT interface, because S3 is the first company in the intelligent projection market to have a built-in digital terrestrial TV DTM, and it can watch high-definition TV for free through an external antenna without the need for a network. This interface makes S3 more practical. The main cooling window occupies half of the side area, and the metal fins are visible visually. The cooling effect is specially tested at the back.

The projection method we use is generally bracket and flat. Kuletv S3 adopts national standard screw holes, which are common with ordinary SLR tripod, while the four small feet can be rotated to adjust the height, which is convenient for horizontal fine adjustment when placed flat on the table.

Intelligence is the difference between intelligent projection. Kuletv S3 is equipped with its own self-developed KuOS based on Android, and the entire interface tends to be intuitive and simple. The top four categories on the home page are "movie, music, office and application". The following are "settings, signal source, wireless same screen, file management, one button cleaning" and user-defined shortcut icons. The second page is equivalent to the APP list page. The advantage of this design is that it can quickly locate the required function sub page, but it needs further optimization in terms of aesthetics.

Content is the core. The film, television and music of Kuletv are all cooperated with third-party content service providers, and the resources provided by iQiyi are good, including popular film, variety show and children's content. A while ago, Youku, Tencent and iQiyi, which were announced to cooperate with Xiaomi at the launch of new products, accounted for more than 80% of the time of video APP users, which shows iQiyi's position in content provision. It is suggested that KuLeTV can provide users with value-added services such as one-year membership. Of course, if there is a need for more content, it can be downloaded and used through the application market, which is no different from smart TV.

For obsessive-compulsive disorder, the process of manual focusing is very complicated after each position change. Previously, autofocus has always been the killer of divine painting projection. Now, Kuletv S3 also supports automatic focusing and dynamic real-time focusing. The convenience of automatic focusing is beyond doubt. In addition, dynamic real-time focusing can perfectly solve the "hot out of focus" phenomenon caused by thermal expansion and contraction during operation, which is more conducive to the overall clarity of the picture. In the actual measurement, S3's auto focus response is sensitive, and it can automatically complete the focus within 5 seconds according to the position change. The following dynamic chart is visually displayed, similar to the picture we see when we automatically measure the vision when fitting glasses, from virtual to clear.

Of course, there are also "F+, F -" manual focus buttons on the remote control, which is also called "spare tire". However, the voice control function of the remote control is easy to use. Say what you want to see directly to the remote control, and Cool OS will automatically search and recommend it accordingly. In addition, the remote control supports infrared+Bluetooth, so there is no problem with the operating sensitivity. However, the OK key is designed to be concave. Although it has a certain anti touch effect, the concave is too deep compared with the convex up, down, left and right keys, and the feel is not suitable. It is recommended to improve later.

Projection quality is fundamental. Kuletv S3 is equipped with Texas Instruments 0.45 "1280 × 800 display chip, 64 bit A53 smart chip and Mali-T720 3D image engine. The projection ratio of 1.2 can project 100 inch images at 2.65 meters. It is a pity that the physical 1080P is not available. However, the projection quality is not only related to the physical resolution, but also affected by many factors such as projection brightness, contrast, color restoration, color gamut, projection environment and distance. S3 is equipped with OSRAM P1ALED light source. After optical design and calibration, the maximum lumen can reach 1200 ANSI national standard lumens. As the saying goes, "one white covers three ugly". We still see the effect of thousands of lumens of brightness on the quality of projection pictures through actual measurement. If there are pictures and facts, we will not make too much comment. All pictures are shot and cut without post production.

First: Three primary colors display.

Second: Color saturation and transition display.

Third: Projection display in dark environment.

Fourth, the indoor projection display with good light is in contrast to the third one.

The fifth is to show the contrast between the projection and the real picture.

Sixth, brightness contrast display.

Seventh, sound effect test. When watching a movie, the telepresence brought by the giant screen is incomparable to ordinary television. In addition, the 2 * 8W Huiwei Hivi hi fi speakers built into S3 have a sound level no less than that of desktop audio.

Eighth, temperature control test. After working for nearly two hours, the temperature of the hot air discharged from the cooling window at the rear of the fuselage was tested to be about 51 degrees, the temperature at the top of the fuselage was about 37 degrees, and the temperature at the middle frame was about 32 degrees. The heat dissipation effect was excellent.

To sum up, the design of Kuletv S3 integrates many advantages of its friends, and improves the lumen degree by a large margin, making intelligent projection enter the era of thousands of lumens. It is true that "projection can be seen in the daytime". Of course, S3 also has some areas that need improvement. For example, it is recommended to optimize and beautify the system architecture, and cooperate with more video sources and application providers to adapt more resources. For another example, it is recommended to add a 3.0 USB interface to meet the needs of resource transmission such as 4K. In addition, further optimize the accuracy and speed of full-automatic focusing to make this feature more prominent. In short, I don't need to tighten the curtains when watching movies. I like it!

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