Mi primera publicacion Margarita Mancia, Phonetics_and_Phonology_Album | Page 6
Front vowels: If the tongue is positioned near
the front of the mouth, any vowel produced
would be a front
Central vowels: If the tongue were set slightly
more back in the mouth, the vowel would be a
central vowel.
Back vowels: 1If the tongue were set in the far
back of the mouth, the vowel would be a back
vowel.
Rounded vowels: If a vowel is produced while
the lips are tense and rounded, it would be
considered a rounded.
Unrounded vowels: If the vowel is produced
while the lips are relaxed, it would be
considered an unrounded vowel.