Included in the phonology are three contrastive lexical tones, a prepause syllable (as part of intonation), nine oral vowels, four nasal vowels, and many consonant clusters which differ in accordance with their distribution in reference to their place in the word: prestress, stressed syllable, and poststress. (SCC)

This paper lays out techniques for investing different types of phonation from acoustic data. Nearly all the world's languages distinguish between voiced and voiceless phonation. Many languages use other phonation types, such as the breathy voice--also described as speaking while sighing. Another kind of voice quality, one frequently found in…