There is no need to resync audio if all the components (capture hardware, drivers, software) in your capture setup work properly together, i.e. audio and video

There is no need to resync audio if all the components (capture hardware, drivers, software) in your capture setup work properly together, i.e. audio and video are captured synced and with correct metadata (timestamps and/or rate information), so they don't go out of sync in the first place.