videos in AudioSet
A list of about a million ten-second YouTube clips, each labelled with the sounds in it, that Google published in 2017. Labs use it to train and test general audio and music models.
Including Assassin's Creed: Revelations - Sequence 8 - Mission 3 - End of the Road (100% Sync), Assassin's Creed: Brotherhood - Sequence 7 - Mission 3 - Exit Stage Right (100% Sync)