Development and Application Analysis of High-definition Shadow K Broadcast Control Technology

About the Author:
Luo Huabin, Marketing Director of Guangzhou Tianyi Electronics Co., Ltd., senior audio and video designer, engineer. He has 20 years of experience in audio and video industry, and has rich experience in audio and video product design and development, audio and video case design.

First, the shadow K market originated in 2014, the overall domestic economy accelerated, the national anti-corruption efforts increased, the overall foreign market environment was sluggish, KTV, nightclub entertainment venue business is not as good as before, professional audio industry manufacturers overcapacity, competition between engineers More intense, the market shrinks, the profits are greatly reduced, and so on. A series of unfavorable factors, it is not the dawn of dawn that is brought to the professional audio market in 2013, but the coldness of the snow, the winter is nine days, maybe this is the case. It is one of the best.

The market has been sending heavy news. A large professional audio manufacturer in Shenzhen has closed down. The KTV decided to close some domestic KTV stores and China's largest audio industry distribution center. Many small factories in Panyu District of Guangzhou have closed their doors one after another... KTV, nightclubs and other entertainment venues that are gradually declining, although not dead, are already badly hurt, coupled with the current government’s advocacy of social positive energy, the establishment of a conservation-oriented social atmosphere, the fight against corruption, and the criticism of KTV Entertainment. The industry is undoubtedly a big blow; professional audio wants to return to the peak moment, it is easy to talk about.

In the market environment of sorrow and sorrow, a clear stream quietly nourishes the Chinese audio field. In the spring of 2015, Tianyi Audio cooperated with many well-known domestic media, American DOLBY, DTS, HDMI audio and video giants. The world's top chip manufacturers CRS, TI, ADI, etc., held at the Guangzhou Pazhou International Exhibition Center - the first domestic high-definition audio-visual integration technology forum, which opened the curtain for the development of high-definition video and audio integration, video bar, and shadow K emerging industries .
With the improvement of people's consumption level and the upgrading of consumption concept, coupled with the promotion of famous domestic high-definition enterprises represented by Tianyi, ACE, KFG and Storm, the richness of the film source, the perfection of the player and server systems are further promoted. The accelerated growth of the cinema/film K market.
The market is gradually shifting from low requirements to high standards. Investors who value copyright, value product quality and brand, and pay attention to consumer experience will gain long-term, stable and return on investment.

Second, talk about audio and video system requirements <br> Video: To achieve the format standard of high-grade high-definition digital TV developed by the American Society of Motion Picture and Television Engineers (SMPTE), that is, the resolution of video, the video reaching 1280X720 resolution is called 720P, The rate is 1920X1080 called 1080P (or 1080i, indicating interlaced), the most widely used is 2K (1920X1080). With the rapid development of electronic products, the future 4K (3840 X 2160) and 8K (7680X4320) HD video will gradually become Mainstream.
Therefore, HD video K should have clear standards for video output devices such as screens and projectors used in the box. The size of the box area is 15m2, the size of the curtain should not be less than 100 inches, and the screen of 15~20m2 needs 120-inch screen; the larger the area, the corresponding viewing screen should be correspondingly enlarged. In the projector part, the brightness and resolution are numerous. The most important part of the parameters and reference values, HDMI compatibility and stability must also be considered.
A good movie theater starts from the source:
First, the regular products produced by manufacturers with Dolby DOLBY-HD, DTS-HD, HDMI licenses and certifications are preferred to ensure accurate reading of high-quality source file information during product use. Second, the source is simultaneously With DOLBY-TrueHD or DTS-Master high-definition source audio track, it is a prerequisite for ensuring the effect of watching movies. In the past two years, the application of DOLBY-ATMOS (Dolby Panorama) and DTS:X (Sinking Sound) technology has come The more, the new development direction of high-definition movie audio has become the future.
Eyetrack recording formats for almost all movies in the world are made using the standards of Dolby and DTS in the United States. Dolby and DTS have their own unique encoding methods, so they can be restored with their certified products during post-production replay. The film effect is the best, in order to really let the scene reappear, let the viewers feel the shock of the cinema scene to the greatest extent! Companies and products that do not have formal authorization and certification are difficult to guarantee the final viewing effect.
HDMI signal transmission port: Products that do not have HMDI interface must be high-definition next-generation products, because it can not only transmit high-definition audio and high-definition video at the same time, but also compatible with all audio tracks. The most obvious advantage is the sound collection video. In one-piece transmission, the ordinary optical fiber and coaxial interface can not only transmit video signals, but also cannot transmit audio tracks of 5.1 or higher; nor can it transmit the current high-definition multi-channel audio signals; therefore, it is not called the high-definition device. It only has the basis for transmitting high-definition program signals. It is just a transmission tool. The core is whether the front-end source, player and back-end decoding equipment are genuinely certified by DOLBY and DTS in the United States.


Good audio equipment gives you an immersive experience:
In the domestic shadow K market, the 5.1 system is basically the current standard. In such a system, the source and playback devices must support source code output. At least Dolby Digital and DTS 5.1 are required for audio formats. More and more sources are already HD audio tracks, namely Dolby-HD and DTS-HD. The PCM signal output by the ordinary device is only decoded at the front end and then transferred to the power amplifier for DA conversion. Regardless of the sound field positioning, the resolution is far less than that of the standard equipment produced by the formal manufacturer.
With the development of electronic technology, the products of the same brand will often do some special optimization treatments, such as the EQ effect curve of the built-in matching speaker products, the effect of the built-in matching microphone, etc.; try to use the matching equipment of the same brand in the product selection, so It is more conducive to the later technical support and services, and it is easier to bring out the performance of the equipment.
The audio equipment that complies with the national mandatory safety 3C certification is an effective guarantee for the safe operation of the business premises. It works for more than ten hours or even longer every day. The safety of a product is stable and effective for a long time, and even more important than the effect. Long time, high power and high reliability are the basic requirements for equipment. The simplest way for investors is to look at the brand, the second to see the strength, the three verification parts, the authorized, certified, technically strong manufacturers and brands. It must be the scope of its first consideration; all documents can be verified as soon as they are sent to the relevant functional department or the company's lawsuit website.
Full-featured, easy-to-use, practical and reliable equipment will become the first choice for investors. A set of equipment or a K-center will perfectly integrate K-song, watch movies, watch live games, play games and many other new entertainment features. Let the small private space become the fashionable integrated center of audio-visual entertainment, which is the place where the new generation of consumers is yearning for; small investment, big return, is the preferred project for investors.
There seems to be a lot of contemplative places behind the seemingly flourishing shadow K market. The pure shadow scheme is well solved, but many of the investment shadow owners have entered the misunderstanding. The so-called shadow K is based on watching movies. New forms of entertainment, such as songs and games, can not blindly take karaoke as the main direction, otherwise it will continue to immerse in the whirlpool of vicious competition of KTV and nightclubs.
The warm and elegant, leisurely and comfortable micro-shadow/shadow K environment brings a new experience. The environment is important, but a set of high-definition K-sound system with stable quality, complete functions and first-class sound quality determines whether customers are willing to spend twice. An immersive experience, an evocative and extraordinary experience; will make consumption want to have another impulse; on the contrary, the business environment where the environment is leaky and effective is far below the expectations of consumers, no Where new ideas can be said, closing the door will be its inevitable ending.
The development of any industry will undergo the process of sprouting, growing, developing and expanding. The current movie market is still in its infancy, but the low-quality and disorderly competition has begun to flood the market. There is no industry standard, no reference, no The experience is all the days that this new industry is walking. Every step, we look forward to it becoming a real industry one day. We also hope to work together with all the domestic counterparts to jointly promote and promote the audio and video industry. development of.

Equipment recommendation:
Tianyi HD-1100/2100 HD shadow K integrated center machine recommended reason:
Leading domestic audio industry, national high-tech enterprise, with the authorization and certification products of the US DOLB, DTS, HDMI international giants, domestic independent brands, has been committed to the development, production and sales of domestic high-end audio equipment.
Top ten features of recommended products:
The product supports HDMI HD 3D audio and video synchronous transmission;
The product complies with the national 3C certification, and has the US DOLBY, DTS, HDMI authorization and certification.
The Chinese-wide OSD menu is simpler, more convenient, and more user-friendly.
Support international standard RS232 intelligent central control, CEC online control, 12V trigger control, can be connected to any central control device with international common interface, realize a remote control to control multiple HD devices supporting CEC;
Intelligent acoustic room test, easy to solve room tuning problems, professional, efficient and fast;
Professional-grade cinema, K-song sound settings and scene lock, simple, practical and can guarantee the long-term high reliability of the equipment to run under the best effect;
One-button smart switching, theater, K song, music, games, want to play, easy to play, save time, effort, and save money;
Various state volume locks and engineering lock functions effectively prevent unnecessary losses caused by non-professional devices;
Recognized by the relevant national departments and distributed software copyrights, it is listed among several international professional room acoustic testing softwares. The unique intelligent room automatic testing technology can accurately determine and adjust the best sound effects in the listening environment. Internationally recognized and widely applied to products of different brands in different countries around the world;
High-tech enterprises enjoying state subsidies and support policies, one of the few globalized domestic brands, Huawei in the audio industry, investing tens of millions of research and development costs each year, dedicated to the latest audio and video technology and research and development and production, is a domestic brand Not many companies worthy of respect.

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