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Several generic digital data connection standards are designed to carry audio/video data along with other data and power: USB was designed as a single connector to support all needs, including any generic data, audio/video, power, and more; DisplayLink is its most successful Audio+Video protocol. Until the 3.0 revision, very low data rates ...
The AVS workgroup was founded in June 2002 to cooperate with Chinese enterprises and scientific research institutions, to formulate and revise common technical standards such as digital audio and digital video's compression, decompression, processing and representation, thus to provide efficient and economic coding/decoding technologies for digital audio and digital video devices and systems ...
The audio control packets are carried in the HANC space of the Y (luminance) parallel data steam and are inserted once per field at the second video line past the switching point (see SMPTE RP168 for switching points of various video standards). The audio control packet contains audio-related metadata, such as its timing relative to video ...
ISO/IEC 29341-4-4:2011 Part 4-4: Audio Video Device Control Protocol - Level 2 - Audio Video Data Structures; ISO/IEC 29341-4-10:2011 Part 4-10: Audio Video Device Control Protocol - Level 2 - Audio Video Transport Service; ISO/IEC 29341-4-11:2011 Part 4-11: Audio Video Device Control Protocol - Level 2 - Connection Manager Service
EN 60065: Audio, Video and similar electronics apparatus - Safety requirements. EN 60077: Railway applications - Electric equipment for rolling stock; EN 60950-1: Information technology equipment - Safety - Part1: General requirements; EN 60950-21: Information technology equipment - Safety - Part21: Remote power feeding
The various serial digital interface standards all use (one or more) coaxial cables with BNC connectors, with a nominal impedance of 75 ohms. This is the same type of cable used in analog composite video setups, which potentially makes for easier "drop in" equipment upgrades (though may be necessary for long runs at the higher bitrates for older oxidising or lower grade of cable to replaced ...
IEC 60574 Audio-visual, video and television equipment and systems (withdrawn) IEC TR 60575 Thermal-mechanical performance test and mechanical performance test on string insulator units; IEC 60580 Medical electrical equipment – Dose area product meters; IEC 60581 High fidelity audio equipment and systems: Minimum performance requirements
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