What is "vowel sound"

Usage examples of "vowel sound".

No vowel sound had to be interpolated, or determined from context, in this message.

The native did and Ken made another attempt to get what he thought he heard as a rising inflection on the second vowel sound.

Also, the two dots over a vowel (called an umlaut) indicate a vowel sound we do not have in English.

It sounded like a hoarse-voiced three-year-old child repeating a single vowel sound: Ei-ee!

Consonants are here regarded simply as interruptions of the essential vowel sound.