How many vowels does English have? Five, right? A, E, I, O, U. Oh, and sometimes Y. So, six? Actually, English has at least 14 different vowel sounds and, depending on the speaker and dialect ...

But the problem is, English has twenty vowel sounds, and we use these five letters of the alphabet to represent them. As a result, the same letter is used to represent several different vowel sounds.

A new computer model has learned to recognize vowel categories from multiple English and Japanese speakers without "knowing" the number of vowels it is looking for or having a complete list of ...