What’s new in the HDMI 1.4 specification?
The HDMI 1.4 specification adds a data channel to the HDMI connection, enabling high-speed, bi-directional communication. Connected devices that include this feature can send and receive data via 100 Mb/sec Ethernet, making them instantly ready for any IP-based application. HDMI 1.4 increases the maximum resolution to 4K × 2K (3840×2160p at 24Hz/25Hz/30Hz and 4096×2160p at 24Hz, which is a resolution used with digital theaters); an HDMI Ethernet Channel, which allows for a 100 Mb/s Ethernet connection between the two HDMI connected devices; and introduces an Audio Return Channel, 3D Over HDMI, a new Micro HDMI Connector, expanded support for color spaces, and an Automotive Connection System. HDMI Ethernet channels: high-speed Ethernet function is the main feature of this version of the past, we need to set up audio and video Connect to the network equipment, audio-visual equipment and then connect to the TV via HDMI. But now, many television with network connections Function, then through the 1.4 version of the HDMI cable, and its connected devices, including cameras, smart phones, play Machine on the network capacity both to facilitate the family line audio and video connections.