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HDMI standard

HDMI (High Definition Multimedia Interface) standard – an interface for data transmission between devices. Since its introduction at the end of 2002, several different standards have been implemented.

 

Description and specification:

 

HDMI 1.0 (introduced: end of 2002)
– audio/video transmission at 4.9 Gb/s
– supported resolution 1080p at 60 Hz
– 8 audio channels at 192 kHz sampling frequency
– 8-bit colour depth

 

HDMI 1.1 (May 2004)
– DVD Audio support
– minor mechanical and electrical modifications
– first mass-produced cable version

 

HDMI 1.2 (August 2005)
– Super Audio CD support (very rare audio standard created by Sony and Phillips)
– type A connector (for PC)
– higher colour depth for PC (RGB + YCbCr)
– low voltage cables used in graphics card interfaces

 

HDMI 1.2a (end of 2005)
– the only version with a complete CEC (Consumer Electronic Control) documentation and standardization

 

HDMI 1.3 (June 2006)
unlike its predecessors, HDMI 1.3 has started an actual revolution:
– bit rates increased to 10,4 Gb/s supporting future high-resolution devices
– significantly increased colour depth - support 10, 12 and 16 bits support (compared to previous versions)
– "x.v.Color" support – displaying all colours visible to the human eye
– audio and video sync (AV Sync), Dolby True HD and DTS-HD support
– type C mini plug for video cameras

 

HDMI 1.3 a-c (November 2006 – November 2007)
improved test versions for new devices:
– added CEC command list
– minor type C plug modification

 

HDMI 1.4 (May 2009)
Another revolutionary cable version:
– Ethernet channel support for HDMI devices
– audio feedback channel (no individual audio cable)
– 3D support
– 2K and 4K support
– micro plug for phones and other mobile devices

 

HDMI 1.4 a-b (March 2010 – October 2011)
– minor improvements of 3D technology support

 

HDMI 2.0 (August 2013)
Standard version for the most demanding applications:
– increased bit rates (18 Gb/s)
– up to 32 audio channel support
– full 4K at 60 Hz support
– 24 to 48 bit colour depth
– 21:9 aspect ratio support
– dynamic audio and video support