A device that selects a video source for the TV via the HDMI interface. For example, a cable box, DVD player and DVR may all have HDMI outputs, but the TV may have only one HDMI input. In this ...

Right now, the most popular standard for PC and TV video interfaces is HDMI 2.1, but we can soon expect a switch over to HDMI 2.2 — and that switch is apparently coming sooner than expected.