I know there are many different ways to lip sync depending on what software you have to work with from full face bone rigs, spline systems, morph targets and i am sure more. Please post your current workflow for lip syncing or even ideal workflow for lipsyncing. OR If you happen to have more experence than the average bear…
I mostly use morphs in speech and I do skin up the face before making morphs so I do use the bones to roughly deform the mesh, but I do a CRAP-LOAD of vert tugging to make the morphs. Depending on the character I might use specific morphs around the eyes or brows to get specific effects like a brow crinkle or scrunchy…