Compatible
with
encrypted
High
Definition
audio-video
&
a
data
bandwidth
surpassing
all
current
formats,
the
HDMI
connector is fast becoming the
connection of choice. But do be cautious when selecting
equipment, there have been many software revisions since its release
& many products in circulation are using outdated software not
compatible with all the current HDMI features.
Plug
type
A has 19 contacts & is the connector used on all home
cinema equipment. Plug type B has 29
contacts & is used in the pro
& PC markets to carry multiple or higher resolution signals. Plug type C is a
miniature version of type A & is used in the camcorder market. Plug type D is an
even
smaller version of type A & is used on the portable video market.
SW Type
1.0 Plug types A & B
launched with support for all video resolutions up to 1080p (1080
lines), optional support for 8-channel
192k/24-bit digital audio, Dolby Digital & DTS audio. In
practice, most HDMI-1.0 equipment did not support audio. SW
Type
1.1 Added
optional support for the DVD-Audio
format (MLP) SW
Type
1.2 Added
optional support for the SACD format
(One Bit) SW
Type
1.2a Added
Optional CEC support (Consumer
Electronics Control) allowing connected equipment to send commands to
each other & allowing automatic input switching
& automatic power on/off of connected components.
SW Type
1.3 Introduced Deep
Colour Support for
enhanced contrast levels & increased picture support up to
resolutions of 1440p. Additional optional audio support was also
introduced for Dolby-Digital Plus, Dolby True-HD & DTS-HD as
featured in the new BluRay disc format. Automatic Audio &
Video synchronisation was added to reduce increasing problems with
lip sync. SW
Type
1.3a included
revisions in the 1.3
specification to increase cross product compatibility &
introduction of plug type C. SW
Type
1.3b tighter test
procedures introduced to
ensure better compliance of specifications in 1.3a SW
Type
1.4 Increased
picture resolution up to 2160p
(professional digital theatre standard), ethernet network support at
100Mb/s, an audio loopback to provide feed back from your television to
the amplifier, 3D Video & introduction of plug type D
