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 JLPT N1,N2文字語彙【擬声語/擬態語】#3 ざらざら かさかさ べたべた ねばねば ぬるぬる 【Learn Japanese Onomatopoeia】, JLPT N1,N2文字語彙【擬声語/擬態語】#22 ぶよぶよ ぱんぱん ぷにぷに ぶくぶく ぽっちゃり