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 Russia Arms Expo 2013 - Military Assets Live Firing Demonstration [1080p], Sukhoi & Irkut - Su-30SM Multi-Role Fighters With The Russian Falcons Aerobatics Team [1080p], Northrop Grumman - C-2A Greyhound Carrier Onboard Delivery Aircraft [720p]