HDMI Ethernet Channel

Adds high-speed networking to an HDMI link, allowing users to take full advantage of their IP-enabled devices without a separate Ethernet cable.

Audio Return Channel

Allows an HDMI-connected TV with a built-in tuner to send audio data "upstream" to a surround audio system, eliminating the need for a separate audio cable.

3D Technology

Defines input/output protocols for major 3D video formats, paving the way for true 3D gaming and 3D home theater applications.

4K Support

Enables video resolutions far beyond 1080p, supporting next-generation displays that will rival the Digital Cinema systems used in many commercial movie theatres.

Content Type

Real-time signaling of content types between display and source devices, enabling a TV to optimize picture settings based on content type.

Additional Color Spaces

Adds support for additional color models used in digital photography and computer graphics.