HDMI: High-Definition Multimedia Interface
The High-Definition Multimedia Interface is provided for transmitting digital television audiovisual
signals from DVD players, set-top boxes and other audiovisual sources to television sets, projectors
and other video displays. HDMI can carry high quality multi-channel audio data and can carry all
standard and high-definition consumer electronics video formats. Content protection technology is
available. HDMI can also carry control and status information in both directions.
DVI:
DVI is the new interface for Digital flat panel LCD monitors and video cards. There are a number of
versions of DVI, including DVI-I (analog & Digital together) , DVI-D (only the Digital signal) and
DVI-A (only the Analog signal) . Why was DVI created? Wasn't DFP enough? Well here's the history.
The P&D or Plug and Display standard, which was ratified by the Video Electronics Standards
Association in 1997, tried throwing everything into one connector including Digital and analog
interfaces, USB and FireWire, all on one connector. This was very expensive and considered more
than was necessary especially for monitor and video card manufacturers. DFP on the other hand
eliminated all this excess and has only a Digital interface for Flat panal displays. The reason DFP isn't
still being used is its maximum supported resolution is "SXGA", or 1280 x 1024 pixels. This will not
be enough for a future filled with HDTV, which has a resolution of 1920 x 1080 pixels.
The High-Definition Multimedia Interface is provided for transmitting digital television audiovisual
signals from DVD players, set-top boxes and other audiovisual sources to television sets, projectors
and other video displays. HDMI can carry high quality multi-channel audio data and can carry all
standard and high-definition consumer electronics video formats. Content protection technology is
available. HDMI can also carry control and status information in both directions.
DVI:
DVI is the new interface for Digital flat panel LCD monitors and video cards. There are a number of
versions of DVI, including DVI-I (analog & Digital together) , DVI-D (only the Digital signal) and
DVI-A (only the Analog signal) . Why was DVI created? Wasn't DFP enough? Well here's the history.
The P&D or Plug and Display standard, which was ratified by the Video Electronics Standards
Association in 1997, tried throwing everything into one connector including Digital and analog
interfaces, USB and FireWire, all on one connector. This was very expensive and considered more
than was necessary especially for monitor and video card manufacturers. DFP on the other hand
eliminated all this excess and has only a Digital interface for Flat panal displays. The reason DFP isn't
still being used is its maximum supported resolution is "SXGA", or 1280 x 1024 pixels. This will not
be enough for a future filled with HDTV, which has a resolution of 1920 x 1080 pixels.
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