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 필기공주와 함께하는 한글공부 STEP1 홍보영상, 필기공주 수학공부 (숫자첫걸음_따라쓰기)