Yes, the sound is completely out of sync. Common problem with older videos. Nice lady with seemingly genuine reactions to the spanking. But mullet guy is awfully bad at disciplining her. And who has got so many implements at home unless you have a bdsm fetish. For correcting your wife a brush or belt and your own hands are enough.
What an arrogant asshole, wait till he is asleep, tie him in the bed and return the favor. Unless you want that again your call, because I think he enjoys this more than you