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  2. Shielded cable - Wikipedia

    en.wikipedia.org/wiki/Shielded_cable

    The use of shielded cables in security systems provides some protection from power frequency and radio frequency interference, reducing the number of false alarms being generated. The best practice is to keep data or signal cables physically separated by at least 3 inches (75mm) from 'heavy' power circuits which are in parallel.

  3. HDMI - Wikipedia

    en.wikipedia.org/wiki/HDMI

    A standard HDMI cable HDMI wires in connector exposed. An HDMI cable is composed of four shielded twisted pairs, with impedance of the order of 100 Ω (±15%), plus seven separate conductors. HDMI cables with Ethernet differ in that three of the separate conductors instead form an additional shielded twisted pair (with the CEC/DDC ground as a ...

  4. Audio and video interfaces and connectors - Wikipedia

    en.wikipedia.org/wiki/Audio_and_video_interfaces...

    HDMI Type A socket. High-Definition Multimedia Interface (HDMI) is a compact audio/video standard for transmitting uncompressed digital data. There are three HDMI connector types. Type A and Type B were defined by the HDMI 1.0 specification. Type C was defined by the HDMI 1.3 specification.

  5. Twisted pair - Wikipedia

    en.wikipedia.org/wiki/Twisted_pair

    As UTP cable bandwidth has improved to match the baseband of television signals, UTP is now used in some video applications, primarily in security cameras. [6] As UTP is a balanced transmission line, a balun is needed to connect to unbalanced equipment, for example any using BNC connectors and designed for coaxial cable.

  6. Electromagnetic shielding - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_shielding

    Cross-section through a coaxial cable showing shielding and other layers. One example is a shielded cable, which has electromagnetic shielding in the form of a wire mesh surrounding an inner core conductor. The shielding impedes the escape of any signal from the core conductor, and also prevents signals from being added to the core conductor.

  7. High-bandwidth Digital Content Protection - Wikipedia

    en.wikipedia.org/wiki/High-bandwidth_Digital...

    Resolves addition of devices to the HDMI tree without a full tree re-authentication by allowing ReceiverID_List to be asynchronous; 2.2 IIA: 16 October 2012: Addresses a breach described above, as well as other flaws in Locality Check; Type 1 extended to preventing content from going to v2.1, 2.0 and v1.x as they all have weaknesses; 2.2 for HDMI

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