翻訳と辞書
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・ "O" Is for Outlaw
・ "O"-Jung.Ban.Hap.
・ "Ode-to-Napoleon" hexachord
・ "Oh Yeah!" Live
・ "Our Contemporary" regional art exhibition (Leningrad, 1975)
・ "P" Is for Peril
・ "Pimpernel" Smith
・ "Polish death camp" controversy
・ "Pro knigi" ("About books")
・ "Prosopa" Greek Television Awards
・ "Pussy Cats" Starring the Walkmen
・ "Q" Is for Quarry
・ "R" Is for Ricochet
・ "R" The King (2016 film)
・ "Rags" Ragland
・ ! (album)
・ ! (disambiguation)
・ !!
・ !!!
・ !!! (album)
・ !!Destroy-Oh-Boy!!
・ !Action Pact!
・ !Arriba! La Pachanga
・ !Hero
・ !Hero (album)
・ !Kung language
・ !Oka Tokat
・ !PAUS3
・ !T.O.O.H.!
・ !Women Art Revolution


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Video-on-Demand : ウィキペディア英語版
Video on demand

Video on demand(display) (VOD) are systems which allow users to select and watch/listen to video or audio content when they choose to, rather than having to watch at a specific broadcast time. IPTV technology is often used to bring video on demand to televisions and personal computers.〔(Broadband Users Control What They Watch and When )〕
Television VOD systems can either stream content through a set-top box, a computer or other device, allowing viewing in real time, or download it to a device such as a computer, digital video recorder (also called a personal video recorder) or portable media player for viewing at any time. The majority of cable- and telco-based television providers offer both VOD streaming, including pay-per-view and free content, whereby a user buys or selects a movie or television program and it begins to play on the television set almost instantaneously, or downloading to a DVR rented from the provider, or downloaded onto a PC, for viewing in the future. Internet television, using the Internet, is an increasingly popular form of video on demand.
Some airlines offer VOD as in-flight entertainment to passengers through individually controlled video screens embedded in seatbacks or armrests or offered via portable media players. Some video on demand services such as Netflix use a subscription model that requires users to pay a monthly fee to access a bundled set of content. Other services use an advertising-based model, where access is free for users, and the platforms rely on selling advertisements as a main revenue stream.
==Early development==
Developing VOD required extensive negotiations to identify a financial model that would serve both content creators and cable providers while providing desirable content for viewers. Key factors identified for determining the economic viability of the VOD model included VOD movie buy rates, Hollywood and cable operator revenue splits.
Cable providers offered VOD as part of digital subscription packages, which by 2005, primarily allowed cable subscribers to only access an on-demand version of content that was already provided in linear distribution. Included in these packages were "extras" and "bonus footage" rather than full episodes of television shows.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Video on demand」の詳細全文を読む



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