Nvidia's new DLSS 3 frame generation technology increases perceived performance to remarkable effect - but it is a first-gen effort with key improvements to come. In this video, Alex Battaglia answers fundamental questions about how to capture and analyse the technology and isolates challenges to test for in future game implementations. Join the DF Patreon for pristine video downloads, behind the scenes content, early access to DF Retro, early access to DF Direct Weekly and much, much more: https://bit.ly/3jEGjvx Subscribe for more Digital Foundry: http://bit.ly/DFSubscribe Want some DF-branded tee-shirts, mugs, hoodies or pullovers? Check out our store: https://bit.ly/2BqRTt0 00:00:00 Introduction 00:00:30 How is Digital Foundry recording DLSS 3/4K 120hz? 00:03:39 Does DLSS 3 work with V-Sync? 00:08:59 Can DLSS 3 Frame Generation be used without DLSS Image Reconstruction? 00:09:30 Does DLSS 3 look good or work well with a lower frame-rate? 00:13:00 Perceptual Error and Frame Generation 00:16:40 Image Analysis - Cyclical Animation 00:18:34 Image Analysis - Scene Transition/Camera Cuts 00:19:38 Image Analysis - HUD/Thin Transparency 00:20:42 Image Analysis - Rapid Flashes 00:21:21 Image Analysis - Disocclusion with rapid/erratic mouse movement 00:22:36 Image Analysis - Comparison to "Ground Truth" 4K 120 00:26:57 Input Latency Analysis (Beware of V-Sync?) 00:31:23 All Good Things...