HDMI full form is High Definition Multimedia Interface, a digital audio/video interface that allows for the transmission of compressed video data to compatible computers.
HDMI is an analog video and audio replacement system. HDMI implements the standards EIEA/CEA-861, defined by definition and waveform for the recording and transmission of compressed and uncompressed audio.
HDMI send video and audio signal thus you don’t need another cable for audio.
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HDMI has 19 pins, the connectors are male and female. We can find 3 types of connector in the market, standard, mini, and micro connector.
Version 1.1 2004 supports DVD
Version 1.2 2005 supports added one-bit audio
Version 1.3 2006 TMDS clock to 340 MHz
Version 1.4 2009 supports resolutions 4096 × 2160 at 24 Hz, 3840 × 2160 at 24, 25, and 30 Hz, and 1920 × 1080 at 120 Hz
Version 2.0 2013 bandwidth up to 18.0 Gbit/s
Version 2.1 20017 supports 4K 120 Hz and 8K 120 Hz
Used by gamers to connect the game consoles to TV
Used to send audio and video signal from the laptop to monitor (monitor must have speakers to able to hear audio.
Where we can find HDMI port?