Phonetic descriptions and acoustic analysis of some non-English speech sounds such as clicks, ejectives, retroflex consonants, breathy vowels, nasal vowels, implosives, tones.

• 语音产生的声学方面的议题。可以延伸到课堂上曾讨论过的议题。例如：喉头的模型；声道壁的效应；结合鼻子的效应；