25 Vowel Posters for the International Phonetic Alphabet. This set of full-color 9" x 12" cardstock posters provides a practical tool for teaching the International Phonetic Alphabet and uniform vowel formation. Each poster displays one of the primary vowel sounds, including its IPA symbol, pronunciation, and example words in English, Latin, Italian, German, French, or Spanish. Plus, an online resource offers recorded demonstrations of every sound. Equally useful for choral rehearsal rooms and vocal studios!