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A '''Topfield Application Program''' (TAP) is a [[software application]] which extends the standard functionality of the [[Topfield]] products designed for [[digital TV]]. Examples of TAPs are [[electronic programme guide]]s, digital photo viewers and [[MP3 player]]s.

Anyone with the necessary [[computer programming]] skills may create a TAP to meet their needs. This is possible because Topfield have specified an [[API#Release policies|open (or public) API]] which allows TAPs to be created using the [[C (programming language)|C]] or [[C++]] programming languages. They can be installed into most Topfield [[personal video recorder|PVR]] models.

Some people have created TAPs and made them available for others to download and use, either free of charge or for a small fee. There are several [[internet forum]]s dedicated to TAPs where information and support can be exchanged.

==External links==
* {{usurped|1=[https://web.archive.org/web/20070208071107/http://www.tapworld.net/ TAPWorld: The most complete Topfield TAP directory]}} (not currently Active but in the process of coming back online - June 2013)
* {{Cite web|url= http://www.toppy.org.uk/downloads/taps.php?tc=all |title=Toppy.org.uk|website=www.toppy.org.uk}} UK directory of TAPs

[[Category:Digital video recorders]]

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Topfield Application Program - Revision history

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