Phonetics is a part of linguistics that studies the physical, physiological, and psychological aspects of sounds.

He ate one apple.

His speech sound is very attractive.

I am majoring in auditory phonetics at university.

Articulatory phonetics is a study about the production of speech sounds.

Acoustic phonetics is the study of the physical properties of speech.

This is a human with a special ability.

His artwork has a special charm.

He is known as a person with learning.

The sound was so quiet that I could hardly hear it.