Computers

The System That Makes Online TV Player Technology Possible

Go online and you will see many sites that allow you to view television programs on your computer by means of an online TV player. The rapid advances in digital broadcast technology have made this possible, and you may wonder how this technology works.

Also, there are two ways of viewing programs online: live broadcast and on-demand. Live digital broadcast is made possible by streaming and will thus not be available to users of P2P protocols. Livecasting works online as it does on television: the event being viewed online is happening as it is being broadcast or in the case of prerecorded programming is viewed online at the same time it is premiering on television. With on-demand, the content is always pre-recorded, and is made available after the television broadcast is over. In this case the viewer selects the show he wants from either a menu of program titles or categories, then selects from a list of available episodes. He may then watch the program, and may watch it whenever he likes as long as that episode is available.

Television content is made available, broadly, in two ways. Either by means of live broadcast (often called webcast) or video on-demand. Streaming networks make possible webcasting and imitates the way television delivers its content. When others are watching your show on television, you will be watching the same episode online. Video on demand offers previously recorded and aired programming stored on a site where you can choose from the list of offerings and view online or download to your media player. Though not simultaneous with broadcasting, you can watch on demand programs at any time you wish.

Multimedia software is what allows you to view digital video content. You can find most of these video players online, available to be downloaded free from the provider. For example, Apple provides Quick Time, Microsoft provides Windows Media Player. The browsing software in your computer may already include a media player. For instance, installing Windows also installs Windows Media Player. Sites that offer free downloads (or downloads you purchase), so long as they are compatible with your player, will deliver the video file to it, where it is stored and can be played at leisure. Most websites with television content already embed media players, although you will have to watch these programs on the site itself.

It is video player software that allows the streamed data to be reconstituted as the program you are viewing. Applications like Adobe Flash or CCCP read the file type and reproduce the video image. These software applications are widely available and almost always have a high-quality version the user may download free from the software creator’s website. Video and television program websites that permit viewers to watch their programs on their website already have this software embedded so that the viewer does not need to download it to her computer. Some sites do offer the option to download content, free or for a fee, to be played whenever the viewer wants.

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