Currently, American English is the most influential form of English worldwide. American English varieties include many patterns of pronunciation, vocabulary, grammar, and particularly spelling that are unified nationwide but distinct from other English dialects around the world.
Well, if you consult any popular American English dictionary, and study the Pronunciation Key, there will be a long list of vowels. In the Pronunciation Key to the American Heritage Dictionary , 19 different vowel symbols are listed (not counting the ones only used in foreign words)!
Sounds of Speech
Word Lookup: This online dictionary allows you to look up any English word and hear a recording of its pronunciation, as well as see the word's phonetic structure and other information. Guide to different spellings: This document gives examples of many common spellings and letter patterns in English words and examples of how to pronounce each one.
American English Resources provide materials for teachers' professional development and for students in the classroom. Find classroom activities, audiobooks, MP3s, videos and pedagogical material to assist in learning English as a second language.
With this alphabet chart, understand how to say the names of the letters and read about all the sounds of each letter from the alphabet. These are the basic phonetic sounds for American English. To learn important sounds using free videos online, go to Pronunciation in English: 500 Words.