These are the Voodoo3/CD/A3D patches for Rayman 2: The Great Escape.
Voodoo3 (speedup fix): ray2_p1.exe
CD (disc check fix): Ray2Patcher.exe
A3D (sound loss fix): raysound.exe
Source: Ubisoft Support (archived)
Widescreen patches for both the GOG and retail versions of Rayman 2: The Great Escape.
Includes files for 16x9 and 16x10 aspect ratios.
Source and more information in this thread:
http://raymanpc.com/forum/viewtopic.php?f=13&t=21665