Overview
3.1About HDMI
High-Definition Multimedia Interface (HDMI) is an uncompressed all-digital1audio/video interface, widely supported in the entertainment and home cinema industry. It delivers the highest high-definition image and sound quality.
In particular, HDMI2:
Provides a simple3 interface between any audio/video source, such as a set-top box, DVD player, or A/V receiver and video monitor, such as a digital flat LCD / plasma television (DTV), over a single lengthy4 cable
Supports standard, enhanced, high-definition video, and multi-channel digital audio5 on a single cable
Transmits all ATSC HDTV standards and supports 8-channel digital audio, with bandwidth to spare to accommodate future enhancements and requirements
Benefits consumers by providing superior, uncompressed digital video quality via a single cable6, and user-friendly connector
Is backward-compatible with DVI (Digital Visual Interface)
Supports two-way communication between the video source (such as a DVD player) and the digital television, enabling new functionality such as automatic configuration and one-button play
HDMI has the capacity to support:
Existing high-definition video formats (720p, 1080i, and 1080p/60), as well as standard definition formats such as NTSC or PAL
1 Ensuring an all-digital rendering of video without the losses associated with analog interfaces and their unnecessary digital- to-analog conversions
2 HDMI, the HDMI logo and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI licensing LLC
3 With video and multi-channel audio combined into a single cable, the cost, complexity, and confusion of multiple cables currently used in A/V systems is reduced
4 HDMI technology has been designed to use standard copper cable construction at up to 15m
5 HDMI supports multiple audio formats, from standard stereo to multi-channel surround-sound. HDMI has the capacity to support Dolby 5.1 audio and high-resolution audio formats
6 HDMI provides the quality and functionality of a digital interface while also supporting uncompressed video formats in a simple, cost-effective manner
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