Among the key features of the HDMI 1.4 include:
Ethernet channel
HDMI 1.4 specification added to the HDMI cable, data, Fast Ethernet (100Mbit/s) channel for high-speed bi-directional communication. This allows a device with an Internet connection and HDMI to share an Internet connection with other HDMI devices. It also allows the sharing of content between multiple HDMI devices. All without additional separate Ethernet cable.
Communication channel for feedback
The new specification adds a channel for communication back. He is responsible for duplex data transmission of sound. Enables HDTV to send the audio stream to the A/V receiver over the HDMI cable, thereby reducing the number of cables.
3D through HDMI
Standard Specification 1.4 defines the division of the data stream into two stereo channels at resolutions up to 1080p (1920x1080) for use in a home stereo 3D systems.
Support for 4K x 2K
The new specifications enable support for up to quadruple high-definition (HD) resolution (4x 1080p) used in modern home theaters.
Supported formats are: 3840x2160 24Hz/25Hz/30Hz 4096x2160 24Hz
Extended support a colored spaces
HDMI sYCC601 now supports Adobe RGB and AdobeYCC601 color spaces used in digital cameras/cameras.
Micro HDMI Connector
Micro HDMI Connector is designed for connecting portable devices. It is compared with the existing HDMI Mini connector by about 50% smaller, integrates 19 pins and supports resolutions up to 1080p.
The system connections in cars
Cable specification proposed for use in automobiles. Defines the foundations for divorce HD content across devices in the vehicle (multifunction console in the center console panels built into the seats, etc.).
High-definition digital audio/video interface cable Multimedia Interface (HDMI)
Supports data transfer bandwidth up to 10 gigabits/s
Enables bidirectional communication between intelligent devices HDMI
Supports 3D TV with video resolution up to 3840 x 2160 pixels at 24/25/30 Hz and 4096 x 2160 at 24 Hz
Supports HDMI Ethernet Channel 100 Mbps function (HEC)
Supports Audio Return Channel technology (HARC)