Effects of Variation in Frame Rate on Game Player Experience
Investigating the impact of frame rate variation on gaming experience, this study explores frame time variation, motivation, user study procedures, and predictors for quality of experience in gaming. Findings challenge traditional predictors and suggest future work to broaden understanding.
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Presentation Transcript
Effects of Variation in Frame Rate on Game Player Quality of Experience Atsuo Kuwahara James Scovell Shengmei Liu Mark Claypool Worcester Polytechnic Institute Intel Corporation 1
What is frame time variation? FT FT FT FT FT Consistent frame rate FT FT FT FT Inconsistent frame rate (variation) 2
Motivation Quality of Experience Prediction model : QoE = f (variation) Who can benefit? Gamers: Gamer developers: Hardware companies: 3
User Study Procedure Base frame rate: Games Loaders 120 fps Valorant 0 13 14 15 RTSS Strange 0 13 14 15 Rocket 0 14 17 20 60 fps Loaders - 1 minute per round, ~ 20 mins per game, ~65 minutes in total. Shuffled Perfect 2*Noticeable Playable 3*chaos 4
User Study Procedure - In-game survey after each round - Script that controls launching of games and QoE survey automatically 5
Frame rate average Frame rate average is a bad predictor for QoE 6
Time Between Display Change Stdv Time Between Display change stdv might not be accurate for a specific game Time between display change Stdv fits our data well 7
Frame rate 95% floor *95% of frame rates are greater than this number Frame rate 95% floor fits our data well Frame rate 95% floor is an effective predictor for QoE 8
Future work Investigate other sources of variation Study more games & genres Examine difference based on player expertise Apply results beyond games 9
