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HDCP 2.x features a new authentication protocol, and a locality check to ensure the receiver is relatively close (it must respond to the locality check within 7 ms on a normal DVI/HDMI link). [23] Version 2.1 of the specification was cryptanalyzed and found to have several flaws, including the ability to recover the session key. [22]
Previous HDMI versions use three data channels (each operating at up to 6.0 Gbit/s in HDMI 2.0, or up to 3.4 Gbit/s in HDMI 1.4), with an additional channel for the TMDS clock signal, which runs at a fraction of the data channel speed (one tenth the speed, or up to 340 MHz, for signaling rates up to 3.4 Gbit/s; one fortieth the speed, or up to ...
In cases when the bandwidth of the available lane(s) is unable to meet the rate of the uncompressed video stream, bandwidth savings of up to 3:1 can be achieved with a DSC compression rate of 3.0×. [2] For example, 4K 60 Hz is possible using a single lane (e.g., Micro-USB / HDMI Type-A) with a DSC rate of 3.0×. [2]
[26] [27] In July 2021, Google Drive for Desktop, a new app for Windows and Mac, was released replacing "Backup and Sync" and "Drive File Stream". [28] Google Drive for desktop based on File Stream, which will support features previously exclusive to each respective Client. [27] Google stopped supporting Backup and Sync as of October 1, 2021. [29]
While causing data loss on Video CDs (Mode 2 Form 2) and Audio CDs, individual C2 errors are correctable on data CDs (using Mode 1 and Mode 2 Form 1). Measurement [ edit ]
The new standard includes mandatory Dual-mode for DVI and HDMI adapters, implementing the HDMI 2.0 standard and HDCP 2.2 content protection. [20] The Thunderbolt 3 connection standard was originally to include DisplayPort 1.3 capability, but the final release ended up with only version 1.2 for Intel® 6000 Series Thunderbolt™ 3 Controllers.
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Display Data Channel (DDC) is a collection of protocols for digital communication between a computer display and a graphics adapter that enable the display to communicate its supported display modes to the adapter and that enable the computer host to adjust monitor parameters, such as brightness and contrast.