![]() ![]() The goal of HDCP is to prevent a signal from being routed elsewhere, so it's essentially an anti-piracy mechanism. HDMI uses a method of encryption called HDCP - also known as High-bandwidth Digital Content Protection). The part about HDMI that is complicated, though, is its licensing. Related: What Is HDMI 2.1, And Do I Need It? Its simplicity was a big factor in easing the process of adopting HDTV into most homes. HDMI is powerful (on the highest levels, the only audio/video cable with a higher throughput is DisplayPort) and convenient due to how absurdly ubiquitous it is. The cable itself, which is the result of combined efforts from a group of major electronics corporations (including Sony, Philips, and Toshiba) is actually just a DVI cable with included wiring for audio transfers. HDMI is unique compared to a lot of connection types before it because it combines audio and video into one port. The downside? It's a really frequent issue that some people might literally get every time they turn on certain devices. ![]() That's great news because, 99 percent of the time, it won't require replacing any of your electronics. It's usually very easy to solve and rarely indicates a critical problem. The 'No HDMI Signal' problem is a common TV issue that most people have encountered.
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