https://www.musical-u.com/learn/recognize-different-types-synthesis/
Ear training is more than just melodies and intervals. Recognizing synthesis by learning how different waveforms sound is a great way to expand the ear’s abilities.
Read this article for a quick glimpse into the world of sound synthesis and what it has to offer for a modern musician.
https://www.musical-u.com/learn/recognize-different-types-synthesis/