High Quality Content by WIKIPEDIA articles! Xtraview is a trademark of Top Up TV. The Xtraview Video Encryption System refers to the patented "encryption" system used on the now-defunct Xtraview channel and a number of other Top Up TV services including Setanta Sports, Television X and Red Hot TV. Unlike the other encryption system used by Top Up TV, Mediaguard, Xtraview is not a true encryption system. Instead a MHEG Application directs the user's set-top box to a hidden videostream broadcast in the clear when a correct PIN is entered. Unlike traditional channel encryption methods, Xtraview does not require a viewing card. This is an advantage on DTT in the UK, where the vast majority of set top boxes have no ability to decrypt pay channels.

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