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  • HDMI is a proprietary audio/video interface for transferring 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 existing analog video standards. HDMI implements the EIA/CEA-861 standards, which define video formats and waveforms, transport of compressed, uncompressed, and LPCM audio, auxiliary data, and implementations of the VESA EDID. CEA-861 signals carried by HDMI are electrically compatible with the CEA-861 signals used by the digital visual interface. No signal conversion is necessary, nor is there a loss of video quality when a DVI-to-HDMI adapter is used. The CEC capability allows HDMI devices to control each other when necessary and allows the user to operate multiple devices with one remote control handset. Several versions of HDMI have been developed and deployed since initial release of the technology but all use the same cable and connector.

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