这十几年来,梶茂树(Kaji,Shigeki)教授和窪薗晴夫(Kubozono,Haruo)教授分别在东京外国语大学亚非语言文化研究所和日本国立国语研究所相继展开世界语言中声调和音高重音(pitch accent)的综合性工程。Kaji(1999、2001、2003、2005)是梶教授所主办四届国际研讨会的论文集;窿薗教授则从2011年开始每两年举办一次International Conference on Phonetics For more than a decade, Prof. Kaji Shigeki and Prof. Kubozono Haruo have conducted accented and pitch accents in the world language successively at the Asian-African Institute of Languages ​​and Cultures at the Tokyo University of Foreign Studies and the National Institute of Japanese Studies pitch accent) comprehensive project. Kaji (1999, 2001, 2003 and 2005) is a collection of theses Proceedings of the Fourth International Symposium hosted by Prof. 梶; Prof. 薗薗 holds the International Conference on Phonetics