HDMI ports and cables have become the dominant means of transferring audio and video between sources and devices, largely supplanting separate visual and audio inputs. The mass adoption of this framework means that you likely have at least a few open HDMI ports on your PC, laptop, or TV. Even if one of those ports is occupied by a monitor or streaming stick, you can still put the others to work by connecting an extra display, upgrading your audio, or plugging in various additional devices. The...
