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 ABC Letter Sounds U-Z | Letter Sound Song | Phonics Based Learn to Read Beginning Reader Lesson, Beginning Reader Grammar Phonics Lesson, Irregular Sounds Ay/Ank, Beginning Reader Grammar Phonics Lesson, Irregular Ook/Ool Sounds