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 3G iPhone - The Gadget Guru's Wades Through The Featres, Victory Hammer Motorcycle, Hands On With The DJI OSMO Handheld Stabilizer - Lots of Video Footage!