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 Wubbzy's Fire Engine Adventure Enhanced Story Experience App, Sparky & the Case of the Missing Smoke Alarms - Free App for Kids, "If The Smoke Alarm Sounds" by Sparky the Fire Dog and his Flea Friends