![]() HDMI is evolving as audio and video formats and resolutions change. HDMI Specification, release date, speeds and supported resolution HDMI 2.1 released in 2017 increased speeds to 48 Gbits/s, higher refresh rates, higher resolutions of 4K, 5K, 8K and 10K. It also added support for allowing multiple users on the same screen, High Dynamic Range (HDR) video, improved 3D and additional CEC features. HDMI 2.0 also known as HDMI UHD arrived in 2013 with increased speeds of up to 18 Gbit/s perfect to carry 4K high resolution videos. HDMI 1.4 which came in 2009 was a major upgrade as it introduced Audio Return Channel(ARC), HDMI Ethernet Channel (HEC), a new Micro HDMI Connector, expanded set of color spaces, 3D formats and 2K 3840×2160 (Ultra HD) and 4K 4096×2160 resolutions. ![]() Released last year, it clocked at 10.2 Gbits/s speeds and allowed deep color and output of Dolby TrueHD and DTS-HD Master Audio streams for external decoding by AV receivers. HDMI 1.2 released in 2005 brought HDMI type A connectors for PC sources and added Consumer Electronic Control (CEC) support but nothing much changed in terms of bandwidth upgraded until HDMI 1.3. Back then before HD and Full HD video standards were out, hdmi 1.0 seemed to be very fast. HDMI 1.0 was first released on Decemwith transfer speeds of 4.95 Gbit/s. HDMI specification/version has radically evolved over its 14 years lifetime so far.
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