Overview on Research of "the Four Tones" and the Translating Reading of Buddhist Sutras

As a famous scholar,Mr.Chen Yinque put forward an influential viewpoint that formation of the four tones was affected by translating reading of Buddhist sutras.It attracted many scholars' attention during hundreds of years.They discussed many problems of the four tones,such as relation between them and theory of tone in ancient India,the siddham of Sanskrit,the folk songs in southern China,and the four image theory in traditional culture.They also studied beginning time and inventor of the four tones.So information of the four tones in history books collected,and rational knowledge about culture exchange of the four tones between China and India was built.The fuzzy thought was clarified,and research on problem of the four tones was impelled than ever.