EDID Management
EDID (Extended Display Identification Data) governs source output resolution and audio format — misconfigured EDID is the leading cause of black screens, wrong resolutions, and audio failures in HDMI systems.
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HDCP — High-bandwidth Digital Content Protection
HDCP authenticates every link in an HDMI or DisplayPort signal chain to prevent unauthorized copying — understanding its version requirements, repeater chain limits, and failure modes is essential for reliable 4K AV system design.
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