Verok's GL Wrapper & Patch is a fanmade fix for Legacy of Kain Blood Omen. It brings it up to par with the PS1 version in terms of audio/fmv quality and framerate. As well as fixing other minor issues with the PC version Silicon Knights added in.
This is a download of Verok's patch 1.27. Intended to use if you have an issue with 1.75.