Canada’s a big place. I’m sure there are several different accents, particularly when you take the Quebecois into account.
The only Canadian voices I come in contact with regularly are a couple of Nick Jr. shows my kid watches (Franklin and Little Bear), and the people that appear on “Holmes on Homes”. Yes, I watch construction shows in my spare time. Sue me, that guy rules.
You’d never really notice the difference, until that “ou” sound comes around. Any linguists on here can correct me if they know, but I think that’s a holdover from Elizabethan English.