An HDMI (high-definition multimedia interface) is a set standard for transmitting audio and visual signals of the highest quality between various devices. It is commonly used in home entertainment ...

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 ...

Following are the categories for telephone and Ethernet cables, which are abbreviated "Cat." For HDMI video cables, see HDMI cable types. Cat1 and Cat2 are unofficial voice grade standards ...