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Nvidia NVDEC (formerly known as NVCUVID [1]) is a feature in its graphics cards that performs video decoding, offloading this compute-intensive task from the CPU. [2] NVDEC is a successor of PureVideo and is available in Kepler and later Nvidia GPUs. It is accompanied by NVENC for video encoding in Nvidia's Video Codec SDK. [2]
Encoded pixel groups are then combined into slices of various height and width; common combinations include 100% or 25% picture width, and 8-, 32-, or 108-line height. A modified version of DSC, VDC-M, is used in DSI-2. It allows for more compression at 6 bit/px at the cost of higher algorithmic complexity. [8]
Coding efficiency is the ability to encode video at the lowest possible bit rate while maintaining a certain level of video quality. There are two standard ways to measure the coding efficiency of a video coding standard, which are to use an objective metric, such as peak signal-to-noise ratio (PSNR), or to use subjective assessment of video ...
In April 2016, Nvidia produced the DGX-1 based on an 8 GPU cluster, to improve the ability of users to use deep learning by combining GPUs with integrated deep learning software. [189] Nvidia gifted its first DGX-1 to OpenAI in August 2016 to help it train larger and more complex AI models with the capability of reducing processing time from ...
Nvidia advertised DLSS as a key feature of the GeForce 20 series cards when they launched in September 2018. [4] At that time, the results were limited to a few video games, namely Battlefield V, [5] or Metro Exodus, because the algorithm had to be trained specifically on each game on which it was applied and the results were usually not as good as simple resolution upscaling.
The RTX 3090 Ti is the highest-end Nvidia GPU on the Ampere microarchitecture, it features a fully unlocked GA102 die built on the Samsung 8 nm node due to supply shortages with TSMC. The RTX 3090 Ti has 10,752 CUDA cores, 336 Tensor cores and texture mapping units, 112 ROPs, 84 RT cores, and 24 gigabytes of GDDR6X memory with a 384-bit bus. [35]
Using DSC, formats up to 8K (7680 × 4320) 120 Hz or 10K (10240 × 4320) 100 Hz at 8 bpc RGB/4:4:4 are possible. Using Y′C B C R with 4:2:2 or 4:2:0 chroma subsampling in combination with DSC can allow for even higher formats. [125] HDMI 2.1a was released on February 15, 2022, and added support for Source-Based Tone Mapping (SBTM). [129] [130]
As of the end of 2024, there are no standalone Blu-ray players certified as 8K capable (even though PC Blu-ray drives able to read 100 GB and 128 GB discs are sold commercially), and no home video releases in 8K on physical media by any major studio. On December 1, 2018, NHK launched BS8K, a broadcast channel transmitting at 8K resolution.