China Home Theater Network: Solving the source of signal is the key to building a 4K home theater system. Although there is no real 4K ultra-high definition signal source based on traditional optical magnetic media at this stage, it is not difficult to obtain 4K signal source, because the spread of 4K movie programs has gradually got rid of this traditional way and started to pass the network. to fulfill. In the hot scan section of the previous issue, we have specially discussed the topic of “Solving a solution for 4K program sourceâ€. In fact, the rapid development of the network of 4K program source is indeed quite surprising, less than one month. In a short period of time, the domestic market finally ushered in the first Sony FMP-X10, a hard disk-based 4K player based on network download, and the first domestic 4K network drama "Hurry Year" built by Sohu, marking the beginning of the 4K signal. Going to network. In addition, domestic traditional TV stations, such as Jiangsu Cable and Dalian Tiantu Cable, have begun to test the 4K ultra-high-definition TV channel, and LeTV has also cooperated with Hutchison Telecommunications to launch the first 4K home broadband entertainment platform in Hong Kong, with 4K of LeTV. TVs can enjoy 4K Ultra HD movies and TV shows. Therefore, when we built a 4K home theater, the direction of 4K signal source selection became more clear. At this stage, it is a good match to choose a hard disk type 4K player and a computer device capable of 4K ultra HD processing and output. The former is mainly 4K movie programs, while the latter is 4K network TV series. Netizen homemade 4K short film. In addition, while waiting for the domestic 4K cable TV channel to bloom everywhere, our 4K signal source problem can be fully solved. The first network 4K media player finally ushered in plays a key role in the future development of 4K signal sources.
The FMP-X10 is our long-awaited 4K network player. In fact, Sony released the first 4K network player FMP-X1 as early as last year, and launched the Video Unlimited 4K download service in the US market, compared to other professional 4K. The expensive movie service provided by the film supplier, the 24-hour $7.99 rental method, or the $29.99 purchase method can be said to be very close to the people. In the Chinese market, the FMP-X10 finally appeared at Sony's new product launch on August 7th, along with the second-generation curved LCD TV and X8000B series 4K TV new products. The landmark FMP-X10 is the first online media player in China to offer 4K content, and is the first true movie streaming media player. In terms of performance, FMP-X10 fully supports AVC (H.264), HEVC (H.265), XAVC S three major video decoding, and Dolby Digital Plus surround sound decoding, up to 3840 × 2160/60p 4K video Play. In terms of storage, the FMP-X10 has a built-in 1TB hard drive and can be connected to an external hard drive via a USB port. In theory, there is unrestricted storage space. The biggest feature of the FMP-X10 is that it can get native 4K movies from Sony Pictures, but it also limits the ability to get movies from Sony Pictures and not from other film makers. However, Sony Pictures produces a number of outstanding movies every year, and can enjoy the original movies of ultra high definition, which is believed to be very attractive to audio and video enthusiasts. In addition to the limitations of the film source, the display device must also be Sony's 4K TV and home theater projector. At present, the native 4K home theater projector is still limited to Sony's VPL-VW1100ES and VPL-VW500ES models. The limitations of the FMP-X10 in display devices are not too big, but if users use other brands. For home theater projectors, you can only consider other professional movie 4K media players. The FMP-X10, which is located at the 4,000 yuan level, is not expensive, but the follow-up video service fee is what we care about. Earlier, we learned that this service will be different from the US region, and will fully consider the status of the domestic market to set the price positioning of the film. The specific implementation standards still need to wait for the official launch in September to be announced, but it is certain that Sony will cooperate with China's China Digital TV to provide a series of 4K ultra-high-definition movies and TV programs under Sony Pictures and China Digital. These include the attractive 4K movies such as The Spider-Man Series and Captain Philip, as well as some classic TV episodes. In China, 4K display devices have gradually become popular in the home market today. The emergence of the FMP-X10 is not just a simple 4K player, but more importantly, it has subverted people's previous understanding of film and television signal sources. In the era of 4K ultra-high definition display, we no longer rely on the form of mass storage devices to obtain movies and TV programs, which can be easily obtained through the network. It is not difficult to find that just as the digital music acquisition method gradually replaces the CD format, the digital video program will also replace the Blu-ray disc, although the new generation Blu-ray disc has developed to the ability to carry 4K or even 8K movies and TV programs. But there are still no 4K Blu-ray discs, so the reason is probably caused by Blu-ray discs and film makers' lack of confidence in the Blu-ray disc market. At this stage, the biggest factor limiting the development of 4K film and television to the network direction is the problem of network bandwidth. As long as this problem is solved, the future development of video and audio signal sources will undoubtedly be fully networked, and traditional light such as Blu-ray players. Storage playback devices will only become a collective memory of everyone. The emergence of 4K network dramas has changed the way traditional TV dramas are transmitted.
The traditional TV series is still broadcasted through the intrinsic TV network system in China. For the 4K ultra-high-definition cable TV channel that everyone cares about, there has been a breakthrough in August. Jiangsu Cable and Dalian Tiantu Cable have indicated that they will Recently, I tested 4K Ultra HD movie programs. For example, Dalian Tiantu Cable's ultra-high-definition channel is broadcasted from August 11th to September 30th. It adopts wired 5G dual-super network, with cloud service platform as the front-end carrier, fiber-optic transmission trunk, and fiber-optic coaxial composite cable. Users can reach more than 5G bandwidth, and can transmit 100 sets of 4K ultra-high-definition TV programs at the same time. The content of the ultra-high-definition pilot broadcast is mainly based on movies, documentaries and scenery documentaries. It uses a rotating broadcast method to broadcast a movie every day. A documentary film that takes turns to play in 24 hours. It is expected that after October 1st, the Dalian Tiantu Cable Super HD channel will be officially launched, and the corresponding ultra-high-definition TV set-top box will be officially launched. In fact, in recent years, foreign TV program production has gradually transformed toward the Internet, and more and more webcasting methods have been adopted. However, these are mainly HD programs. If you want to watch 4K Ultra HD video programs abroad, you need to use video sharing websites, such as through well-known foreign websites such as Youtube. On Youtube, there are a lot of related 4K Ultra HD scenery clips, and the production is very good. Domestic network video service providers are not to be outdone. In the era of 4K ultra-high definition display, the first self-produced Chinese 4K network drama "Hurry of the Year", first launched by Sohu Video, was officially launched in early August. At the same time, Sohu Video also reached strategic cooperation with domestic manufacturers including Hisense, Skyworth, TCL, Xiaomi, Lenovo, etc., and displayed relevant clips and contents of "Hurry Year" on a large number of 4K TV products. The event will cover more than 10,000 home appliances nationwide. Stores and 3C stores, as well as various online and offline channels, is the largest collaboration between Internet content and 4K TV terminals in history. It can be seen that network video service providers are imperative for the development of 4K ultra-high definition program sources. We look forward to seeing more online video service providers in China launch more 4K ultra HD in the near future. The film and television program, after all, compared to the traditional cable TV network, the Internet based on fiber-optic network will have greater development potential. Sohu's "Hurry of the Year" film and television series is not simple, in addition to the full use of 4K shooting, is the first domestic television industry's first TV-class self-made drama, the far-reaching development of TV series is also far-reaching Impact. The entire episode uses a weekly broadcast mode with a total of sixteen episodes, each set of 45 minutes. "Hurry That Year" was adapted from the nine-night fen's best-selling novel of the same name. It was hailed as the classic love classic of the 80s, and it once set off the frenzy of the youth. The advantage of this type of network 4K drama is that there is no need to purchase a dedicated playback device, and it only needs to be played by a personal computer in the home. It can be said that the popularity is wider. Of course, to smoothly play 4K ultra-high-definition video programs, especially those based on H.265 encoding, there are certain requirements for computer configuration. For example, when you visit the Sohu video website to watch "Hurry Year", you will find the choice in terms of clarity. 4K has "4K Extreme (H.265) and 4K Extreme Clear (H.264)" respectively. In the two categories, if you want to select the H.265 specification, the website will automatically prompt the website to play, you need to download the special 4K video playback software. If you insist on selecting the H.265 specification, after opening the special playback software, the software will also prompt "4K Extreme (H.265 decoding) requires the CPU in the computer configuration to reach the "Intel E5-2620 v2 and 8G memory" configuration. Requirements. When we were testing, we were surprised to see such a high CPU requirement. The E5-2620 v2 is an Intel server-class 6-core 12-thread processor. Even a PC player with a fever rating can hardly achieve this. Requirements. However, in fact, we can use the Intel i5-4670K 4-core 4-thread processor, 8G memory and NVIDIA GeForce GTX 760 graphics card for high-end home configuration of the computer can also achieve smooth playback. In short, if you want smooth and smooth Play H.265 specification 4K ultra-high definition video, mid-to-high end computer configuration is indispensable. Here you need to mention H.265 video coding again, it is also why H.265 coded "Hurry Year" to adopt such a high An important reason for the configuration requirements. H.265/HEVC is a new video coding technology introduced by ITU International Telecommunication Union, called High Efficiency Video Coding efficient video coding. Compared with the common HD coding technology H.264, the coding efficiency has more than doubled, and the video coding technology of 4K and 8K Ultra HD is fully supported. The higher compression coding rate means more needs. A powerful computing processor, the 4-core central processor is basically equipped for computer equipment, but if the player can implement hardware decoding (decoding through graphics card), or dual-core processor can also be competent. 4K signal source selection
In addition to the above two "civilian" level 4K sources, if you don't care about the price, you can also choose an expensive 4K movie server, including the Jetreel 4K private cinema projection system and the REDRAY 4K Cinema playback system. Among them, the Jieterui system is not only a server, but also includes the DCI digital cinema standard projection system, which means that if you choose this system, you can only choose the expensive 4K projector, but it is guaranteed. The resulting image will be film-level. The REDRAY 4K Cinema playback system can only play the format of RED's camera, and there are also many restrictions. Satellite 4K TV live broadcast is also one of the effective 4K signal source solutions. Many operators in foreign countries have announced that they will launch 4K ultra-high definition satellite TV channels in 2015. In China, Aerospace Digital Media also announced that it will launch Star 4K service, which is based on satellite transmission technology and integrates a complete 4K solution from front-end, operation platform, data transmission, content source and terminal. Since satellite data transmission is much faster than the traditional network transmission speed, it can automatically push 4K video programs to users at a speed of 64M/s throughout the day, which is indeed an effective way to obtain 4K signal sources. In addition, LeTV has jointly launched the "4K Home Broadband Entertainment Portfolio" in Hong Kong and Hutchison Global Communications. It can preferentially transmit 4K Ultra HD movies and TV programs through the local optical network, plus the content itself stored in Hutchison Global Communications' world-class data. The center greatly reduces the transmission delay and ensures the smoothness of the viewing, but this activity must be coordinated with the LeTV S50 Air Smart TV. We expect LeTV to launch related 4K activities in China to further promote the diversification of domestic 4K signals. Summary: 4K signal source is the key factor for building 4K home theater. After many years of waiting, I finally saw important progress in the domestic network HD streaming media playback service, whether it is Sony's FMP-X10 4K streaming media player or Sohu. The 4K network episode "Hurry of the Year" launched by the video makes the acquisition of 4K movies and TV programs easier, and can also feel the amazing visual experience brought by 4K Ultra HD. In addition, the increasingly diversified 4K source acquisition method has made the popularization of 4K Ultra HD more flat.
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