音位降階
Sign in to saveDownstep is a phenomenon in tone languages in which if two syllables have the same tone (for example, both with a high tone or both with a low tone), the second syllable is lower in pitch than the first.
Article · 中文
音位降階（downstep）在語音學上是用以表示聲調語言中音節與字詞之間，其聲調裡的音位或語音「向下轉移」之特性。西非的語言上音位降階已是廣為人所知曉的，但是日语（一種非聲調、非重音的語言）之音調重音現象卻也和非洲語言裡的音位降階特性非常類似。音位降階是對比於一般比較少出現的之語音特徵。在國際音標裡，音位降階的符號是一個上標的向下指箭頭（ꜜ）。
Abstract from DBpedia / Wikipedia · CC BY-SA