A CDE Definition
high-definition multimedia interface
(High-Definition Multimedia Interface) A digital interface for audio and video that provides a single-cable solution for home theater and consumer electronics equipment such as TVs, Blu-ray/DVD players and set-top boxes. Introduced in 2002, one HDMI cable took the place of nine different analog audio and video cables.
HDMI supports eight channels of 24-bit uncompressed audio at 192kHz and 4K video resolution up to 4096x2160 (as of HDMI 1.4). It also provides copy protection, A/V equipment control, 5 volts of power and compatibility with DVI and DisplayPort interfaces. For more HDMI details, look up the following:
Version summary, see HDMI versions.
Cable versions, see HDMI cable types.
A/V control, see HDMI CEC.
Compatibility, see HDMI-DVI compatibility and DisplayPort.
Audio return channel, see HDMI ARC.
Copy protection, see HDCP.
Common 19-Pin Connectors
HDMI Vs. All the Others
An HDMI Switch
Before/After Your Search Term
Terms By Topic
Click any of the following categories for a list of fundamental terms.