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Smart TV is a technological convergence between computers and flatscreen television sets and set-top boxes. Besides the traditional functions of television sets and set-top boxes provided through traditional broadcasting media , these devices can also provide Internet TV , online interactive media , over-the-top content OTT , as well as on-demand streaming media , and home networking access. Internet TV refers to receiving television content over the Internet instead of traditional systems terrestrial, cable and satellite although Internet itself is received by these methods.
IPTV is one of the Internet television technology standards for use by television broadcasters. Web television is a term used for programs created by a wide variety of companies and individuals for broadcast on Internet TV. In smart TVs, the operating system is preloaded or is available through the set-top box.
The software applications or "apps" can be preloaded into the device, or updated or installed on demand via an app store or marketplace , in a similar manner to how the apps are integrated in modern smartphones. The technology that enables smart TVs is also incorporated in external devices such as set-top boxes and some Blu-ray players, game consoles , digital media players , hotel television systems , smartphones, and other network-connected interactive devices that utilize television-type display outputs.
In the early s, "intelligent" television receivers were introduced in Japan. The addition of an LSI chip with memory and a character generator to a television receiver enabled Japanese viewers to receive a mix of programming and information transmitted over spare lines of the broadcast television signal.
Apart from being linked to data networks, one key point is its ability to automatically download necessary software routines, according to a user's demand, and process their needs. The mass acceptance of digital television in late s and early s greatly improved smart TVs.
A smart TV device is either a television set with integrated Internet capabilities or a set-top box for television that offers more advanced computing ability and connectivity than a contemporary basic television set. Smart TVs run a complete operating system or mobile operating system software providing a platform for application developers.
It also provides access to Internet-based services including traditional broadcast TV channels, catch-up services , video-on-demand VOD , electronic program guide , interactive advertising, personalisation, voting, games, social networking , and other multimedia applications.
Smart TV devices also provide access to user-generated content either stored on an external hard drive or in cloud storage and to interactive services and Internet applications, such as YouTube, many using HTTP Live Streaming also known as HLS adaptive streaming. Services offer users a means to track and receive reminders about shows  or sporting events,  as well as the ability to change channels for immediate viewing.
Smart TV develops new features to satisfy consumers and companies, such as new payment processes. LG and PaymentWall have collaborated to allow consumers to access purchased apps, movies, games, and more using a remote control, laptop, tablet, or smartphone. This is intended for an easier and more convenient way for checkout. Smart TV technology and software is still evolving, with both proprietary and open source software frameworks already available. These can run applications sometimes available via an 'app store' digital distribution platform , interactive on-demand media, personalized communications, and have social networking features.
There are many Smart TV platforms used for individual purposes. For this reason, platforms are ranked from best to worst. Smart TV are framework platforms managed by individual companies. Some smart TV platforms come prepackaged, or can be optionally extended, with social networking technology capabilities.
The addition of social networking synchronization to smart TV and HTPC platforms may provide an interaction with both on-screen content and other viewers than is currently available to most televisions, while simultaneously providing a much more cinematic experience of the content than is currently available with most computers. Some smart TV platforms also support interactive advertising , addressable advertising with local advertising insertion and targeted advertising,  and other advanced advertising features such as ad telescoping  using VOD and DVR , enhanced TV for consumer call-to-action and audience measurement solutions for ad campaign effectiveness.
Taken together, this bidirectional data flow means that smart TVs can be and are used for clandestine observation of the owners. There is evidence that a smart TV is vulnerable to attacks. Some serious security bugs have been discovered, and some successful attempts to run malicious code to get unauthorized access were documented on video. There is evidence that it is possible to gain root access to the device, install malicious software, access and modify configuration information for a remote control , remotely access and modify files on TV and attached USB drives, access camera and microphone.
Anticipating growing demand for an antivirus for a smart TV, some security software companies are already working with partners in digital TV field on the solution. At this writing it seems like there is only one antivirus for smart TVs available: However, antivirus company Avira has joined forces with digital TV testing company Labwise to work on software to protect against potential attacks. Hackers have misused Smart TV's abilities such as operating source codes for applications and its unsecured connection to the Internet.
Passwords, IP address data, and credit card information can be accessed by hackers and even companies for advertisement. A company caught in the act is Vizio. High-end Samsung Smart TVs stopped working for at least seven days after a software update. Internet websites can block smart TV access to content at will, or tailor the content that will be received by each platform.
In-Stat predicted that by , million homes in North America and western Europe would be using television sets blending traditional programming with internet content. The number of households using over-the-top television services has rapidly increased over the years. Ten percent of adults at the time showed interest in HBO Now. From Wikipedia, the free encyclopedia. This article may require cleanup to meet Wikipedia's quality standards.
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