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High Speed HDMI Cable — Rated for speeds of at least 10.2 Gbit/s. This means it will support formats at least up to 1080p 144 Hz, 1440p 85 Hz, or 4K 30 Hz. Pretty much any HDMI meets this standard at least. Mandated that HDMI 1.2 and later displays support low-voltage sources such as those found with PCI Express technology (the current display interface standard for PC video cards) Large number of additions and clarifications for CEC commands. One addition is CEC command, allowing for volume control of an AV receiver. [5] :§CEC-1.3
Note: While HDMI 2.1 did standardize transport of dynamic HDR metadata over HDMI, in actuality it only formalized dynamic metadata interfaces already utilized by Dolby Vision and HDR10+ in HDMI 2.0, which is why neither Dolby Vision nor HDR10+ require HDMI 2.1 to function properly. [126]Uncompressed 10 bpc color depth and RGB or Y′C BC R 4:4:4 color format are assumed on this table except where noted. CEC has been in the HDMI specification since version 1.0, but only began to see implementation in consumer electronics products in 2008 [149] [150] We'll be sure to keep this document up to date as soon as any HDMI changes are made and will attempt to clarify any questions or issues raised by readers when going through this list. HDMI seems confusing at first, but if handled well by a manufacturer, the differences can be nearly transparent to consumers. The difficulty comes when selecting budget products that may not implement all of the capabilities needed to maximize the potential of HDMI. In these scenarios it's important to not just pay attention to the version of HDMI, but how HDMI is utilized within the product. For example, HDMI "switching" on a receiver implies that no audio is pulled from the HDMI cable, however if the receiver functions as an HDMI "repeater" then users can expect to pull at least multi-channel PCM audio from the connection.
If you want to run 144 Hz over HDMI you need a monitor that specifically supports it (like the ViewSonic XG2401). Not all monitors do. And the "HDMI version" of the monitor does not tell you whether it does or not. Enabled 3D 1080p video at 120 Hz so that each eye can receive full HD (1080p 60Hz—or 120 Hz total) per Eye Mini HDMI, or Type-C as they call it, was a smaller version of the type A plug but with the same 19-pin configuration. This was introduced for portable devices, including smartphones. The only difference was that the designation of the various pins was not the same when compared to HDMI Type-A. Type D Micro HDMI receptacle Type D This Micro connector shrinks the connector size to something resembling a micro-USB connector, [62] [63] [64] measuring only 5.83mm × 2.20mm [65] :36,fig. 4.1.9.8 For comparison, a micro-USB connector is 6.85mm × 1.8mm and a USB Type-A connector is 11.5mm × 4.5mm. It keeps the standard 19 pins of types A and C, but the pin assignment is different from both. [66]Adopters receive more exposure through combined marketing, such as the annual HDMI Developers Conference and technology seminars.
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