HDMI
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== High-Definition Multimedia Interface (HDMI) ==
High-Definition Multimedia Interface (HDMI) is a proprietary audio/video interface for transmitting uncompressed video data and compressed or uncompressed digital audio data from an HDMI-compliant source device, such as a display controller, to a compatible computer monitor, video projector, digital television, or digital audio device. HDMI is a digital replacement for analog video standards.
History[edit | edit source]
HDMI was developed by a consortium of electronics manufacturers including Sony, Philips, Panasonic, Toshiba, and Silicon Image. The first HDMI specification was released in December 2002, and the first consumer HDMI products hit the market in late 2003.
Technical Specifications[edit | edit source]
HDMI supports various video formats, including standard, enhanced, high-definition, and 3D video. It also supports up to 8 channels of uncompressed digital audio. HDMI 2.1, the latest version of the specification, supports a range of higher video resolutions and refresh rates, including 8K at 60Hz and 4K at 120Hz, and resolutions up to 10K.
Connectors[edit | edit source]
HDMI connectors come in five types:
- Type A (standard)
- Type B (dual-link, rarely used)
- Type C (mini)
- Type D (micro)
- Type E (automotive)
Versions[edit | edit source]
HDMI has undergone several revisions since its inception:
- HDMI 1.0: Released in December 2002
- HDMI 1.1: Added support for DVD Audio
- HDMI 1.2: Added support for One Bit Audio, used on Super Audio CDs
- HDMI 1.3: Increased bandwidth to 340 MHz
- HDMI 1.4: Added support for 4K resolution
- HDMI 2.0: Increased bandwidth to 18 Gbps, added support for 4K at 60Hz
- HDMI 2.1: Increased bandwidth to 48 Gbps, added support for 8K at 60Hz and 4K at 120Hz
Applications[edit | edit source]
HDMI is widely used in consumer electronics, including:
- Televisions
- Blu-ray players
- Gaming consoles
- Personal computers
- Digital cameras and camcorders
Related Technologies[edit | edit source]
HDMI is often compared to other digital interfaces such as DisplayPort and DVI. While HDMI is more commonly used in consumer electronics, DisplayPort is often found in computer monitors and professional video equipment.
See Also[edit | edit source]
References[edit | edit source]
External Links[edit | edit source]
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Contributors: Prab R. Tumpati, MD
