HDMI 2.0, which is backwards compatible with earlier versions of the HDMI specifications, significantly increases bandwidth up to 18Gbps and adds key enhancements to support continuing market requirements for enhancing the consumer video and audio experience. New functionality includes:

  • 4K@50/60, (2160p), which is 4 times the clarity of 1080p/60 video resolution
  • Up to 32 audio channels for a multi-dimensional immersive audio experience
  • Up to 1536kHz audio sample frequency for the highest audio fidelity
  • Simultaneous delivery of dual video streams to multiple users on the same screen
  • Simultaneous delivery of multi-stream audio to multiple users (up to 4)
  • Support for the wide angle theatrical 21:9 video aspect ratio
  • Dynamic synchronization of video and audio streams
  • CEC extensions provides expanded command and control of consumer electronics devices through a single control point
  • HDMI 2.0 does not define new cables or new connectors. Current High Speed cables (Category 2 cables) are capable of carrying the increased bandwidth.

Comects specialises in selling digital cables and accessories which incorporate HDMI technology and are manufactured by HDMI authorized adopter such cables passed HDMI Compliance Test. It supports standard, enhanced, or high-definition video, plus multi-channel digital audio on a single cable.

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Here are the major enhancements introduced in the HDMI 1.4 specification:

  • HDMI Ethernet Channel – Adds high-speed networking to an HDMI link, allowing users to take full advantage of their IP-enabled devices without a separate Ethernet cable.

  • Audio Return Channel – Allows an HDMI-connected TV with a built-in tuner to send audio data "upstream" to a surround audio system, eliminating the need for a separate audio cable.

  • 3D – Defines input/output protocols for major 3D video formats, paving the way for true 3D gaming and 3D home theater applications.

  • 4K Support – Enables video resolutions far beyond 1080p, supporting next-generation displays that will rival the Digital Cinema systems used in many commercial movie theatres.

  • Content Type – Real-time signaling of content types between display and source devices, enabling a TV to optimize picture settings based on content type.

  • Additional Color Spaces – Adds support for additional color models used in digital photography and computer graphics.

  • HDMI Micro Connector – A new, smaller connector for phones and other portable devices, supporting video resolutions up to 1080p.

  • Automotive Connection System – New cables and connectors for automotive video systems, designed to meet the unique demands of the motoring environment while delivering true HD quality.