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 [PL] Celelej Game Engine Dev #3 - Materiały i teren, [PL] Celelej Game Engine Dev #2 - SharpDX, edytor i gra, [PL] Celelej Game Engine Dev #6 - Fizyka!