HDMI Alt Mode USB Type-C

The HDMI Alt Mode for USB Type-CTM connector allows HDMI-enabled source devices to utilize a USB Type-C connector to directly connect to HDMI-enabled displays, and deliver HDMI signals and features over a simple cable without the need for protocol and connector adapters or dongles.

HDMI Alt Mode for USB Type-C Connector page

The HDMI Alt Mode for USB Type-CTM connector allows HDMI-enabled source devices to utilize a USB Type-C connector to directly connect to HDMI-enabled displays, and deliver HDMI signals and features over a simple cable without the need for protocol and connector adapters or dongles.

This enables two of the most popular solutions for connectivity to come together—the small form factor, reversible, and multi-purpose USB Type-C connector being adopted by smartphones, tablets and PC products, and the HDMI connector, which is the leading display interface with an installed base of billions of displays. Over 355 million HDMI-enabled display devices are expected to ship in 2019, including projectors, monitors, VR headsets and 100 percent of flat panel TVs.

HDMI Alt Mode will support the full range of HDMI 1.4b features such as:

  • Resolutions up to 4K
  • Surround sound
  • Audio Return Channel (ARC)
  • 3D (4K and HD)
  • HDMI Ethernet Channel (HEC)
  • Consumer Electronic Control (CEC)
  • Deep Color, x.v.Color, and content types
  • High Bandwidth Digital Content Protection (HDCP 1.4 and HDCP 2.2)

It’s up to manufacturers to choose which HDMI features they support on their products with USB Type-C.

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HDMI Licensing Administrator, Inc. (HDMI LA) is the agent appointed by the HDMI Forum to license Version 2.1 of the HDMI Specification and is the agent appointed by the HDMI Founders to license all earlier HDMI Specifications.

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