The HDMI interface is electrically identical and compatible with the video-only DVI interface, which came first. For example, if a cable box or PC has DVI out, but the TV or monitor only has HDMI ...

Unlike other free and open source projects in this space, [purisame] has eschewed simply outputting compatible DVI signals on the port. This implementation is pure HDMI 1.4b, enabling the extended ...

It was more convenient than DVI or VGA, and composite wasn’t even in the same room. What we’ve got, 21 years later, is a tiny bit of a mess. All HDMI ports look the same, but don’t have the ...