These days, if you need to connect two devices via wire, you'll most likely use HDMI. This display protocol supports all sorts of device pairings. It lets you use your iPhone with an external display, ...

When it comes to transmitting audio and video signals from one device to another, HDMI, which is short for High-Definition Multimedia Interface, is arguably the most widely used and reliable solution.

Speed isn't everything, but it is with HDMI.

[Adrian] has a lot of retrocomputers, so he uses an RGB to HDMI converter to drive modern monitors. In particular, he has a box that uses a programmable logic chip to read various RGB signals and ...

Why ports matter: Not all HDMI ports are equal — some support higher refresh rates, HDR, or advanced audio formats, while others don't. Cable confusion: Using uncertified or low-bandwidth HDMI cables ...