HDMI (High Definition Multimedia Interface) is a specification that combines video and audio into a single digital interface for use with DVD and Blu-Ray players, digital televisions, set-top boxes, Games Consoles and other audio-visual devices.
HDMI supports standard, enhanced, or high-definition video plus standard to multi-channel surround-sound audio.
HDMI benefits include uncompressed digital video, a bandwidth of up to 5 gigabytes per second, one connector instead of several cables and connectors, and communication between the video source and the DTV.
It transmits all ATSC HDTV standards and supports 8-channel digital audio, with bandwidth to spare - to accommodate future enhancements and requirements. Instead of using many or all of the two dozen connectors on the back of a home theatre component, you use just one HDMI connection.
HDMI offers two big benefits:
- Instead of needing multiple cables for the video signal and multiple cables for the sound signal, HDMI integrates all video and sound signals on to a single, thin cable - making it easy to connect components together
- Instead of converting digital signals to analogue (to run through the cables) and then back to digital, everything on an HDMI cable remains in its original, uncompressed state.
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