TopTechnical DictionaryHDMI standard

HDMI standard

Standard HDMI (High Definition Multimedia Interface) – an interface for transmitting data between devices. Since 2002, when this interface was introduced, there have been a few different standards.

 

Description and specification:

 

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

 

HDMI 1.1 (May 2004)
– supporting DVD Audio
– small mechanical and electrical changes
– first mass-selling cable version

 

HDMI 1.2 (August 2005)
– supporting transmission Super Audio CD (a rare standard of a sound carrier created by Sony and Philips)
– A type pin for computers
– higher colour depth for computers (RGB + YCbCr)
– these cables also work with low voltage and they can be found on current video card interfaces

 

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

 

HDMI 1.3 (June 2006)
The former versions did not differ too much but here a real revolution starts:
– increased transmission rate to 10.4 Gb/s as part of the demand for future devices with higher resolution
– considerably higher colour depth – this standard currently supports 10, 12 and 16 bits (compared to the previous versions)
– support for the function of "x.v.Color" – enabling the display of every colour which can be seen with the human eye
– audio and video synchronisation (AV Sync) and Dolby True HD and DTS-HD
– C "mini" type pins were created for handling video cameras.

 

HDMI 1.3 a-c (November 2006 – November 2007)
These were only corrective and test versions for new devices:
– a command list was added to CEC
– small modifications in the C type pin

 

HDMI 1.4 (May 2009)
Another revolutionary cable version:
– supporting ethernet channel in HDMI devices
– introduction of audio return channel (no need for a separate audio cable)
– supporting 3D technology
– supporting 2K and 4K resolution
– introducing micro type pin for telephones and other mobile devices

 

HDMI 1.4 a-b (March 2010 – October 2011)
– small improvements, mainly with 3D technology supporting

 

HDMI 2.0 (September 2013)
Version created for the most demanding users:
– increasing the transmission rate (now it is 18 Gb/s)
– handling up to 32 audio channels
– handling full resolution 4K at 60 Hz
– colour depth from 24 to 48 bits
– supports image format of 21:9
– dynamic audio and videos synchronisation

 


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