A Theory of Phonological FeaturesThis book outlines a system of phonological features that is minimally sufficient to distinguish all consonants and vowels in the languages of the world. The extensive evidence is drawn from datasets with a combined total of about 1000 sound inventories. The interpretation of phonetic transcriptions from different languages is a long standing problem. In this book, San Duanmu proposes a solution that relies on the notion of contrast: X and Y are