What is the difference between HDMI 1.3 and HDMI 1.4 specifications?
Quoted directly from www.hdmi.org 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. The HDMI Ethernet Channel allows internet-enabled HDMI devices to share an internet connection via the HDMI link, with no need for a separate Ethernet cable. It also provides the connection platform that will allow HDMI-enabled components to share content between devices. What does this mean? For cables the only difference between 1.3b and 1.4 is the addition of the ethernet channel. Also added is an audio return channel, so you can send audio from display back to receiver. There are no other differences between the signal type or cable quality requirements. Requirements for cable labels from HDMI state cables should be marked as either ‘High Speed’ or ‘Standard Speed’ and whether t