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HDMI - The Evolution of DVI
In a year or so, DVI will change over to HDMI. HDMI extends the DVI standard and adds audio to it. Functionally it is DVI for Video + HDCP for protection + Audio. It also uses a smaller more convenient connector and has a bigger range. It can also carry more types of video signals. It is expected to be available in devices starting in 2004.
It is supposed to be backward compatible with DVI as well as existing audio standards. For example, you will be able to take separate DVI video + audio outputs from devices, combine them, and feed it into a HDMI port on a TV. Or you can take HDMI output from a device, split it and feed the DVI part to a TV and the audio part to a receiver.
HDMI definition from Whatis.com:
"HDMI (High Definition Multimedia Interface) is a specification that combines video and audio into a single digital interface for use with digital versatile disc (DVD) players, digital television (DTV) players, set-top boxes, and other audiovisual devices. The basis for HDMI is High Bandwidth Digital Content Protection (HDCP) and the core technology of Digital Visual Interface (DVI). HDCP is an Intel specification used to protect digital content transmitted and received by DVI-compliant displays.
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. HDMI development is overseen by the HDMI Working Group that includes Sony, Hitachi, Silicon Image, Philips, and Toshiba as members. "
http://dvi.baumannpaper.com/#_Toc51306033
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