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How far is the distance between digital signage and high definition sightAddtime:2011-12-19 Editor:-
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People never satisfy in their pursue of high definition vedio. If a few years ago because of public network bandwidth and technical limitations hd for ordinary public is a luxury dream, you with hd display in recent years the popularity of hd content, the increase of the source and the scope of application of expansion, hd is no longer strange. HD has already become the most acquainted words by people. Whether 720 P, 1080 P high-definition video, film, and experience of the game, the high definition LCD TV or shopping mall, building, act hall, the channel, the subway, the airport in glaring hd advertising or bulletin, hd has in our side, bring us unprecedented visual experience.
What is HD?
HD, short for High Definition, simply say, high definition means high resolution. According to the standard of the HD TV in China, HD means image resolution ratio over 720p or 1080i , meanwhile vedio indulge ratio is 16:9. When the Physical resolution
Reaches to 1080p, we call it full HD.
With the deepening reform of the national informatization and the continuous progress of radio and television technology, digital high-definition television and hd technology progress. In 2010, the world expo has brought a profound change to AV industry, it is reported, the original hd before in conventional market share is less than one over ten, and after Shanghai world expo hd weight increased to fifty percent, or even higher resolution application modes. Whether in TV programs broadcast or in film and television production of works, and video image in the fields toward the direction of development in high definition, based on digital audio and video technology as the dynamic information transmission system, digital signage industry natural included in it , the high definition of digital signage has been irresistible. What is the advantage of HD?
Digital signage offers than static text and pictures showed more rich sensual of the screen, and more convenient in update frequency, showed on the communication effect than the unique advantages of the traditional media. The combination of HD technology and digital signage, brings digital signage information brocast to a new state. HD picture, fundamentally changed audience of advertising of the cognitive and the resulting utility.
HD, broaden the audiences' horizon
widescreen brings more broad vision enjoyment. From the audio effects look, HD will support dolby 5.1 surround sound track, and HD support dolby 5.1 True HD specifications, this brings the audience to enjoy hearing of shock. Hd completely changed the audience the audition, lifelike sensory experiences visual experience the feeling of great experience.
HD, Let advertising thorough popular feeling
HD in the application of digital signage is mostly used in advertising, Advertising is concerned, in view of technology and content of the high demand, hd sign shows more simple sense, hd content often picture, the video content motion, the more can cause the audience appetite, happen vision, hearing and psychological impact, form memories, and ultimately cost of activity has reached the cost of marketing, advertisers maximize effect. So eye-catching hd digital sign, let advertising subject more expressive force strong, make more pervasive, advertising can effectively improve the use of the whole image of the place, make the changing with the marketing system.
In the current competitive environment, the hardware platform, hd almost show more easily to highlight the effect. At the same time on the function of the hd has been outside each user pursuit of an index, liquid crystal advertising machine has begun to choose from to hd transfer function.
However, though currently on the market most liquid crystal screen can achieve the effect of high definition, many in high-end users have been in use hd signs for advertising, information dissemination, but from the application of depth and the breadth speaking, it is difficult to achieve the popularity of the hd still degree. Due to the limitation of the sources and hardware decoding the limit, can't give full play to the LCD screen advertisement machine performance advantage. Especially the network advertisement machine is especially clear, because hardware decoding limit, hd sources in bring the effect of high definition and network brings high load flow, solve the network bandwidth became the breach. Moreover, hd content resources high cost in a certain extent also hindered the progress of the universal hd signs.
Next stop: Full HD
Although hd in China still has some real popularity unknown, but the manufacturers to guide and a broader range of mass base has paved the way for the comprehensive high definition.
HD meanwhile is realize digitalize, When the projector LCD screen, camera etc signal source and the realize HD, the development of high definition atmosphere are formed. Based on the digitalize, the popularity of hd will come soon. In a lot of domestic digital signage manufacturer had begun to upgrade to the hd, comprehensive product line and follow up the hardware and software of the system, or to provide support to compatible high-definition solution, such as Guangzhou sharpeye launched AMS-H945HD hard decompression hd enhanced network advertising machine/information release system player, HDMI hd interface, support independent research and development of the AMS multimedia information publishing system support in the online edition of different types hd resources to make and issued. Digital signage manufacturer do hd field to see,. At the same time, hd content of abundant reserves, networking equipment the increasingly rich, world expo and related project large demonstration effect, also accelerates the user demand and high definition to the outbreak of the high definition the popularity of the future trend is expected this year, hd system's market share will sharply rise.
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