The phrase
"different vowel" means a vowel sound that is not the same as another vowel sound.
Full definition
Air forced down them produced
different vowel sounds, and half of the models had an extra chamber to mimic an air sac.
It may be that elephants can subtly alter a call, simply by changing the position of their lips and tongues, just as humans do to
produce different vowels, King says.
The formant - shifting observed in elephant alarm calls may be viewed as evidence of active vocal tract manipulation [7], as humans use active vocal tract manipulations to produce similar changes in formant locations, resulting
in different vowel sounds and changes in word meaning [45], [58], [59].
Print the pdf's for a couple of the word families: start with the same rather than
different vowel sounds, so the children will recognize them.
Identify all
the different vowel sounds.
Story made 22
different vowel and consonant sounds while the scanner recorded the shape of his vocal tract and then processed the images to represent the tract as a solid tube, dissected from the skull.
Here, instead of a reed, a kind of whistle is used as the sound source (a pipe with a slit), which is played by the wind and creates a more flute - like sound where
the different vowel filters create different timbres.