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
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