Why are private theaters better than cinemas?

In the past, we only had to make a landline, because there was no mobile phone in those days... Now you can have the most advanced Apple iPhone smartphone!

In the past, we could only crowd the bus, because there was no private car in that era... Now you can have the romance of Maserati! Ferrari's passion!

In the past, we could only go to the cinema to watch movies, because there was no private cinema in that era... Now you can sit at home and enjoy the best audio and video beyond the cinema!

Technology and society are constantly evolving, and dreams that have never existed in the past have now become possessions. Just like the previous two examples, mobile phones and private cars were a dream 30 years ago, but who would doubt the existence of mobile phones and private cars? The emergence of these tools has even changed our way of life. You can drive your car to the beach, dial her mobile phone, and let her away with you to listen to the intoxicating waves...
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The only advantage of "bus": fast!
Watching movies, Volkswagen’s first reaction is to go to the cinema. If you look at it from a quick and early adopter perspective, the cinema is the best choice, because all the movies will be shown in the cinema first, then online viewing, DVD and Blu-ray will be launched. . So some big movies can't help, I will go to the cinema first, and then enjoy the Blu-ray and enjoy it on a good private cinema system.

The hardware standard of "bus" is very common. The bus is built according to the public standards, so everything is enough. Do you see which countries use Mercedes-Benz BMW as a bus? Coupled with the fact that investors are investing in the perspective of commercial returns, they will not invest too much in the equipment of the projection equipment, because the hardware investment that is too hot is indeed a waste of the general public, it is difficult for investors to recover the return, invest in the cinema. It is always a business.
In China, although the cinema has a five-star certification standard, this so-called star certification is very unreliable in terms of picture quality and sound quality. It opens the white paper "GB/T 21048-2007 Cinema Star Rating and Evaluation". It is not specifically for sound quality and image quality, but more is the accessory equipment, such as the width of the seat, supporting restaurant, parking space, etc. The requirements for one-star and five-star audio quality are the same, so many pass the five-star certification. Cinema, the effect is not good, often the picture is blurred, gray is not transparent, lack of brightness; the sound is not balanced, there are obvious standing waves, high frequency harsh, low frequency, no surround sound. Even the most advanced Dolby Atmos panoramic sound system in the cinema can't escape the unfavorable fate of the movie. Let's not mention the hardware investment. There is no special panoramic soundtrack. It is a big failure (I am not greedy, 7.1 does not do well) Simple!), relying on the late simulation of the panoramic sound processor, the effect can not come out, and raise the fare, it is really unpleasant.

Ocean LAVIE Villa Cinema Decoration
Do you feel this way when you watch a movie at a movie theater?

The quality of the passengers of the "bus" needs to be improved. When watching movies in the cinema, I hate that the audience next to the audience commented on the movie loudly or called, as if at his home, there was no public morality! I hate those guys who are cocked to Erlang's legs and who are old to my seat. Looking back at him, I still don't know! In addition, there is no film classification system and limited quotas in China, which has led to the inability to introduce many excellent movies. The types of films released are very limited.

For me, going to the cinema to watch a movie is a last resort compromise. After many customers and friends have experienced it in our private cinema, they are surprised to say: "It's much better than the cinema!" I will say: "The cinema is a bus, and the private cinema is a private car." The cinema is like a bus. It is built according to the public level. In the age when there is no private car, there is a bus ride, which is already a very happy thing. . Today's private cars, having BMW Mercedes-Benz is a very common thing, and even Rolls-Royce, Ferrari and so on are not unusual. These private cars, in addition to absolute power, space, passenger capacity is not as good as the bus, which side is worse than the bus?

In 2009, I participated in the article and published "The Chinese Cinema is really bad", which has been recognized by many readers. Still looking at the present, it seems that the state of the movie "bad" is still going on... It was a bus, so don't have too much fantasies about the bus!
1. Projector <br> When you talk to the cinema, many friends will say that the investment in cinemas in first-tier cities is in the tens of millions. How can it be worse than home theater? Yes, the digital projectors in the cinema are not cheap. Take the Barco DP4K-23B from Qihoo’s 360-week home as an example. The domestic price can be changed to an A8L, but is such a expensive projector perfect? The answer is no, these commercial projectors are bright enough to easily tens of thousands of lumens, because the design is used to cast hundreds of inches of screen, but these machines have a fatal weakness - the contrast is too low! It’s generally 2,000:1, which causes the screen to be gray and lacks transparency when the black scene is placed. The dark part does not go down and looks dirty. You must know that the film is light and shadow art. Most of the scenes are There are a lot of black screen elements, the contrast is not enough to look like a bad injury, especially in movies like "Batman", the black position seems to be sin. The current home shadow projector, the contrast is done very well, easy to break through tens of thousands to one, as long as your audio-visual environment is well-shielded, there is no environmental reflection light, the black position is absolutely black and shiny. Welcome to the home theater network!

With the continuous development of LED technology, projectors that use LEDs instead of light bulbs have been introduced. For example, Optoma's latest flagship HD91 has an LED light source with a lifetime of 20,000 hours. If it is used for 5 hours per day, it can be used for 10 years. the above! Therefore, there is no need to consider the service life of the bulb at all, and it can be used when the TV is used.

2, screen <br> Cinema in order to save money, usually do not use too bright projector (brightness and price is proportional), but the brightness must be pulled up, so usually use metal screen or high gain screen, these screens The gain is above 1.8, which will result in significant particle and solar effects and impaired viewing angles. Just pay attention to the light-colored screen on the screen, such as the blue sky and white clouds, it is easy to see the particles, such as looking through the screen, which is one of the problems that the high-gain screen can't solve. The sun effect is bright in the middle of the screen, and the brightness around the screen is reduced, that is, the viewing angle caused by the high gain screen is damaged.

The choice of home screen is very rich. If you meet a good home theater designer, he will choose the type of screen that suits you best according to your audio-visual environment, budget and preferences. Such as the general living room theater, because the shading can not do very well, so a light gray screen can bring more benefits, such as the ability to suppress the black level, improve the contrast. In the all-black professional audio-visual room, the high-quality white screen can accurately reproduce the D65 color temperature. With the high-quality home projector, the picture has more advantages than the commercial theater. The only drawback is that the size is not big enough for the cinema, but it is big. Certain quality is high?

3, speakers and amplifiers <br> In the middle of Shenzhen Happy Coast, I saw Oscar's best animated film "Frozen". When I watched "Ice", I didn't award the prize in 2014, but I know that "Ice" will definitely be in Oscar got a few awards, because the film really touched me, the first "Let Li Go" is so nice! It should be said that the soundtrack and songs of the whole movie are very good, but I felt very sad at the cinema at that time, because the JBL professional speakers used inside can only be described by garbage, the treble extension is very poor, very dry and rough; the intermediate frequency is not like Large-caliber horn, not to mention the low frequency, the temperature below 50Hz is seriously declining, the ultra-low frequency rendering below 40Hz is completely absent... I thought at the cinema, I have to watch it again in the company's private theater. Enjoy high-quality music in "Ice" with high-quality home equipment.


If you really know the professional sound reinforcement box, you will find that the price of these boxes is not very high, the sound quality is more common, the sound pressure is large enough, the professional fight is the sound pressure! Many friends have asked me, but the sound of the cinema sounds very thick! Yes, it is better than the caliber, the cinema easily compares the home speakers, hundreds of square meters of cinema, you do not need 15 or 18 inch speakers is self-abuse, just like pulling goods without trucks, you have to use expensive cars. Speaking big again, is the caliber big? The caliber is large, the sound thickness will naturally go up, and the friends who are used to listening to small-caliber speakers will have an impact, but when you listen carefully, you will find that in addition to the thick and the momentum, you can't find other advantages, otherwise There will be no complaints about "Ice" on top of me. Professional speakers and amplifiers are not bad, but limited to investment. Generally, cinemas are "enough", and high quality and enjoyment are completely impossible to talk about. If you have the chance to get to the front of these speakers, please don't be intimidated by the noise that it sends out! If you play according to the standards of the home, the owner of the cinema can get it? The DATASAT Earth Sound RS20i is a civilian version of the pre-stage, with a rich EQ adjustment function, very powerful! However, professional and powerful, it means good sound quality? I have played the right to speak, I will classify it into the truck, not the bridge, the sound is still "too professional", hard!

To find the sound that has both thickness and rich detail and softness, it is a price-priced device that can't be used by commercial cinemas.

4, adjustment school <br> At the beginning of the 360 ​​weeks of the total debugging theater, he also hired Barco's engineers to debug the DP4K-23B, I witnessed the whole process, no wonder the quality of the cinema will be so bad! The adjustment of Barco's engineers is very process and mechanized. It is also a good thing to do ISO, but it is bad if they lack the spirit of research and exploration and die completely. I don't know D65, I don't know the color gamut, I don't have color management knowledge, I just follow the training process. I don't know where the picture is? How to solve? When I went through the "correct" debugging process, the engineer lamented that I had never seen such a good picture in the cinema... so you can see problems such as color cast and inaccurate focus in the cinema. Don’t be surprised, people work, Not an enthusiast, there are pictures and sounds, and people really don't see any problems!
The adjustment of the private theater is very elegant. The picture adjustment has ISF and the sound has HAA. It is a very professional and test experience.

When sitting on the Maserati sports car, the feeling is completely different from sitting in a crowded bus. The bus can only deliver you to your destination, and you can’t talk about it. And when Maserati delivers you to the goal, you can enjoy speed and passion! In the same way, in the cinema, what you can enjoy is just to experience the latest blockbuster. In the experience process, they don't pay attention to the quality of the movie itself. In the private cinema, tailor-made equipment and environment let you You are not only watching a movie, but also letting you carefully enjoy the art of film!

The author of this article is from KenLee, Technical Director of Yousheng Meiying.

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