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DisplayPort cables up to 2 meters in length are required to support the full 10.8 Gbit/s bandwidth. [8] DisplayPort 1.1 allows devices to implement alternative link layers such as fiber optic, allowing a much longer reach between source and display without signal degradation, [9] although
Display Stream Compression (DSC) is a VESA-developed video compression algorithm designed to enable increased display resolutions and frame rates over existing physical interfaces, and make devices smaller and lighter, with longer battery life. [1] It is a low-latency algorithm based on delta PCM coding and YC G C O-R color space. [1] [2]
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.
Encryption of the data sent over DisplayPort, DVI, HDMI, GVIF, or UDI interfaces prevents eavesdropping of information and man-in-the-middle attacks. Key revocation prevents devices that have been compromised and cloned from receiving data. Each HDCP-capable device has a unique set of 40 56-bit keys.
The original FreeSync is based over DisplayPort 1.2a, using an optional feature that VESA terms Adaptive-Sync. [9] [10] This feature was in turn ported by AMD from a Panel-Self-Refresh (PSR) feature from Embedded DisplayPort 1.0, [11] which allows panels to control its own refreshing intended for power-saving on laptops. [12]
---> DisplayPort and Mini DisplayPort have the same limitation with audio, and that's the Intel chipsets. They are not currently capable of audio output over DP pathways. Intel is expected to remedy this in future mobile chipset releases. The graphics bus, for obvious reasons, wasn't designed to carry audio.
2.1–2.1b 3.96 Gbit/s 8.16 ... and a bandwidth management feature to enable DisplayPort tunnelling to coexist with other I/O data traffic more efficiently over a ...
DisplayID is a VESA standard for metadata describing display device capabilities to the video source. It is designed to replace E-EDID standard and EDID structure v1.4.. The DisplayID standard was initially released in December 2007.