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 (ARC) , 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 , Defines input/output protocols for major 3D video formats, paving the way for true 3D gaming and 3D home theatre 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 signalling of content types between display and source devices, enabling a TV to optimize picture settings based on content type
Additional Colour Spaces , Adds support for additional colour models used in digital photography and computer graphics.