描述
HDMI1 4 added support for 4096×2160 at 24 HZ, 3840×2160 at 24, 25, and 30 Hz, and 1920×1080 at 120 Hz,It also added an HDMI Ethernet Channel(HEC) that accommodates a 100 Mbit/s Ethernet connection between the two HDMI connected devices so they can share an Internet connection,introduced an audio return channel (ARC), 3D Over HDMI, a new Micro HDMI Connector, an expanded set of color spaces with the addition of sYCC601, Adobe RGB and Adobe YCC601, and an Automotive Connection System HDMI 1.4 defined several stereoscopic 3D formats including field alternative (interlaced) frame packing (a full resolution top-bottom format), line alternative full, side-by-side half, side-by-side full, 2D+ depth, and 2D depth+ graphics + graphics depth, HDMI 1, 4 requires that 3D displays implement the frame packing 30 format at either 720p50 and 1080p24 or 720p60 and 1080p24. High Speed HDMI cables as defined in HDMI 1.3 work wlth all HDMI 1. 4 features except for the HDMI Ethernet Channel, which requires the new High Speed HDMI Cable with Ethernet defined in HDMI1.4.