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VideoGuard (sometimes referred to simply as NDS), produced by NDS, is a digital encryption system for use with conditional access television broadcasting. It is used on digital satellite television systems – some of which are operated by News Corporation, which owned about half (49%) of NDS until its sale to Cisco in 2012 (becoming Cisco Videoscape division). [1]
Leitch Viewguard is an analog encryption standard used primarily by broadcast TV networks in North America. Its method of scrambling is by re-ordering the lines of video (Line Shuffle), but leaves the audio intact. Terrestrial broadcast CATV systems in Northern Canada used this conditional access system for many years.
Videocipher II satellite descrambler stand-alone box sold by General Instrument. VideoCipher is a brand name of analog scrambling and de-scrambling equipment for cable and satellite television invented primarily to enforce Television receive-only (TVRO) satellite equipment to only receive TV programming on a subscription basis.
Cable television piracy is the act of obtaining unauthorized access to cable television services. [1] It is a form of copyright infringement and a federal crime. Reception of cable television without authorization by a cable operator is forbidden by both federal and state laws. [2] In Missouri, cable television piracy is usually a class A ...
In Digital Video Broadcasting, the Common Interface (also called DVB -CI) is a technology which allows decryption of pay TV channels. Pay TV stations want to choose which encryption method to use. The Common Interface allows TV manufacturers to support many different pay TV stations, by allowing to plug in exchangeable conditional-access ...
With many digital TV encryption systems relying on smartcards for their security, any compromise of the smartcard would require a complete replacement of all smartcards being used. That could potentially involve the replacement of millions of smartcards. On a system with a low number of subscribers, the smartcards can be replaced periodically.
4DTV. 4DTV is a proprietary broadcasting standard and technology for digital cable broadcasting and C-band/Ku-band satellite dishes from Motorola, using General Instrument's DigiCipher II for encryption. It can tune in both analog VideoCipher II and digital DCII satellite channels.
Conditional Access Module Various types of CAM. A conditional access module (CAM) is an electronic device, usually incorporating a slot for a smart card, which equips an integrated digital television or set-top box with the appropriate hardware facility to view conditional access content that has been encrypted using a conditional access system. [1]