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 Let's Play Half Life 2 Episode One - Part 9 - The Outside World, Let's Play Penumbra: Black Plague - Part 1 - PIG MEAT, Let's Play Portal 2 - Part 18 - Portal Gel