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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]
The Common Interface allows TV manufacturers to support many different pay TV stations, by allowing to plug in exchangeable conditional-access modules (CAM) for various encryption schemes. The Common Interface is the connection between the TV tuner (TV or set-top box) and the module that decrypts the TV signal (CAM). This module, in turn, then ...
Conditional access (CA) is a term commonly used in relation to software and to digital television systems. Conditional access is an evaluation to ensure the person who is seeking access to content is authorized to access the content. Access is managed by requiring certain criteria to be met before granting access to the content.
The decryption unit is either integrated into a receiver, available as a conditional-access module (CAM), or as one of many encryption schemes supported on a CAM emulator. Nagravision has been adopted all over the world as a conditional access system, with providers: Bell Satellite TV (Canada) (Nagravision 3) BIG TV (India)
Downloadable Conditional Access System or DCAS was a proposal advanced by CableLabs for secure software download of a specific Conditional Access client (computer program) which controls digital rights management (DRM) into an OCAP-compliant host consumer media device.
In television encryption, Cryptoworks is a DVB conditional access system, developed by Philips CryptoTec but now belonging to Irdeto. Cryptoworks is used by the following pay TV providers: OSN; Digiturk (before 2011) the BFBS satellite service; UPC Direct; ITV Partner; ORF; Skylink; JSTV; Ziggo; It is also used to encrypt some feeds to cable ...
Since the idea for blocking programs in this way was patented and tested in Canada by Brett West and John P. Gardner in 1994, [2] many devices using V-chip technology have been produced. [ 3 ] V-chip technology works much like closed captioning and uses the vertical blanking interval in the television signal.
Google Cast is a proprietary protocol developed by Google for playing locally stored or Internet-streamed audiovisual content on a compatible consumer device. The protocol is used to initiate and control playback of content on digital media players, high-definition televisions, and home audio systems using a mobile device, personal computer, or smart speaker.