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 The JC Group/Blue Train Entertainment/Columbia TriStar Television (2000) #2, 20th Television (1998) (Widescreen), 20th Century Fox Television (1966) (Audio Screw-Up)