CD 9.1 - Cardinal Vowels
CD 9.2 - Spanish Vowels
CD 9.3 - Japanese vowels
CD 9.4 - Danish Vowels
CD 9.5 - Advanced Tongue Root (ATR) Akan
CD 9.6 - Rhotacized Vowels American English
CD 9.7 - Nasalization French Vowels
CD 9.8 - Semivowels French Approximants
CD 9.9- Russian palatization