At launch, the PS4 version of Ultra Street Fighter IV didn't go as smooth as Capcom hoped and since then have released patches to improve the game's stability and more. With this version 1.04 patch it increases visual effect resolutions, audio issues and more.
Patch Notes:
“PRESS START” replaced with “PRESS OPTIONS”
‘Skip’ function mapped to Cross Button during cinematics
Default character costume colors 11 & 12 are now unlocked
Anisotropic Filtering improved on all stages and characters
Anti-Aliasing added on all stages and characters
Reduced pixelation on various UI elements
Multiple audio balancing fixes
Addressed multi-hit audio issues
Increased resolution of visual effects
Sonic Boom graphical fix
Fixed multiple localization and font issues
Improved save functionality performance