IPTV uses IP to transmit TV programs, so it is sometimes referred to as Internet TV. But people from different industries, organizations or knowledge backgrounds have different understandings of the meaning of IPTV.
What is "TV"
The understanding of "TV" is mainly reflected in two aspects: one is that the program source of IPTV is the same as the program source of TV in the traditional sense; the second is that after being processed by a set-top box (STB), a common or high-definition TV TV) as a display terminal. But if these two conditions need to be met at the same time, or only the first condition needs to be met, it should be called IPTV, and there are different understandings and definitions.
With the development of technology, the current TV set has been used not only as a display terminal for TV programs, but also as a display terminal for other various services (such as games and stock quotes). Moreover, TV programs can already be watched not only on TVs, but also on PCs and mobile phones. Therefore, the "TV" in IPTV should be defined with the content "TV" as the core, only referring to the TV program source, regardless of whether the display terminal is a traditional TV set. In addition, the "TV" in IPTV is no longer the traditional "live broadcast" method.
1.2 Relationship between "IP" and "TV"
There are also two views on the understanding of the relationship between "IP" and "TV":
(1) "IPTV = IP + TV" mode, that is, in this implementation, IP services and TV services are completely independent and parallel in CABLE;
(2) "IPTV = TVoverIP" mode, that is, all services including TV are carried on IP.
The understanding (or realization) of these two methods has its own background and reasons. At least at present, it is still not clear who understands more reasonable and which method is more promising. But everyone admits that the biggest difference between IPTV and traditional TV programs is "interactivity" and "real-time". What is achieved is an interactive network video service that can be "watched on demand" whenever and wherever.
Benefits of developing IPTV
(1) Benefits of IPTV to content
The development of IPTV can promote the prosperity of content provision. The IPTV industry chain is an open model, which has great appeal to content providers. Content providers can expand their content distribution channels through broadband platforms and increase the form and means of content expression. Revitalize the content inventory, so that the idle programs that were originally screened can be reused through the retrieval and on-demand form, and the reuse rate of the programs can be improved. At present, broadband content is gradually enriched, and multimedia content such as online games and Flash are just on the rise. Providers of these content can also port their program content to IPTV. With the gradual maturity of IPTV, it will inevitably drive the huge development of the content market, and at the same time will bring huge economic benefits to content providers.
(2) Benefits of developing IPTV to business operations
In terms of business operations, IPTV is different from traditional telecommunications services. It is a three-network integration service. While maintaining communication and Internet entertainment capabilities, it also emphasizes TV terminals. This is an inheritance of traditional cultural consumption habits. Behind this inheritance is the huge user base of nearly 100 million households and the consumer psychology and consumption habits of amateur entertainment first choice. Therefore, the IPTV service has the potential to become a basic broadband service and is accepted by consumers. At present, the number of TV users in China exceeds 300 million. If the TV is converted into a network terminal, even if only 20% of the TV conversion is successful, there is 60 million conversion potential, which will undoubtedly bring huge profits to business operators.
(3) Benefits of IPTV to consumers
IPTV is a new application of broadband video. It will drive the rapid development of broadband applications. People can not only get services superior to traditional telecommunications services on broadband networks, browse the Internet, play games, and watch movies and TV programs they want to watch. IPTV extends broadband users from Internet users to non-Internet users, and extends the broadband entertainment market from more than 22 million broadband users and more than 87 million Internet users to more than one billion TV viewers. IPTV will fundamentally change people's lives and entertainment.
(4) Benefits of IPTV to related industries
The IPTV business has brought a more detailed division of labor to the industry, from content production management, business portfolio distribution, to final consumption, forming a complete industrial chain. The purpose of developing IPTV is to promote the healthy and healthy development of the industry chain, encourage enterprises in all fields to actively participate, encourage normal competition and cooperation between enterprises, promote industrial development, reduce costs, drive consumer demand, and form a healthy and orderly IPTV consumption surroundings. For each link of the industry chain will bring huge market potential. At the same time, because IPTV uses IP technology to carry TV services, it can provide a more personalized and interactive experience and experience than traditional TV on the basis of inheritance. This allows IPTV to avoid homogeneous competition with traditional TV and provide differentiated services , To form the basis of healthy development.
(5) Benefits of IPTV to society
IPTV is a new thing. In addition to its economic benefits, it must also consider the social benefits it can bring. The content of programs broadcast by IPTV has strong ideological characteristics, so the development of IPTV is conducive to cultural communication, improves the quality of people ’s entertainment content, and protects the national interests while satisfying the interests of consumers, and provides cultural guarantee for the creation of a harmonious society . Therefore, it can be said that IPTV is a business that can both make profits and spread advanced culture. The development of IPTV services has expanded the scope of online congregation granting, and many traditional industries can be moved to the Internet for telemedicine and distance education. It has promoted the development of government online e-government and greatly reduced the digital divide between urban and rural areas, between east and west, between developed and underdeveloped areas. Promote the process of information civilization of the entire society.
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