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 DPReview Connect Panasonic Lumix DMC-CM1 camera review: 4K video, DPReview Connect LG G5 camera review: 4K video, DPReview Connect Apple iPhone 6 Plus camera review: 1080p video in low light