| Yinkeng town is located in the northernmost part of Yudu county.Hakka is the main dialect of its population.This thesis focuses on my native Yinkeng Hakka and makes a detailed description of the phonetic system based on field investigations.This thesis takes Shangxie village as the main analysis point,and uses the corpus of Xinjie community,Nianfeng village and fenkeng village to supplement the research.The thesis holds five chapters.The first chapter introduces the geography,culture and dialect of Yinkeng Town,as well as the source of materials,significance,methods,related phonetic symbols.The second chapter describes the phonetic system,phonological of Yinkeng town,as well as the literary reading and colloquial reading.There are 22 initials,45 finals and 7 tones in Shangxie village.The third chapter describes the evolution of phonetic system of Hakka dialect in Yinkeng town from a diachronic perspective by the comparison with the middle ancient rhyme book GuangYun.Finally,summarize the rules of phonetic evolution.The fourth chapter compares Yinkeng town’s internal dialects based on the materials of Xinjie community,Nianfeng village,fenkeng village and Shangxie village,to describe the current phonetic features of Yinkeng town from the synchronic leveand discusses its consistency and difference.The phonetic evolution of Yinkeng dialect is not synchronous and fenkeng dialect is evolving faster than others.The fifth chapter describes the tone sandhi and diminutive sandhi of Yinkeng town.There are 66 kinds of tone sandhi in Yinkeng town.At the same time,the rule of tone sandhi is mainly related to the tone pitch of the preceding words.In Yinkeng Hakka dialect,diminutive tone sandhi has two means.The main means of configuration is diminutive sandhi,and there are three forms of diminutive sandhi,which are:Zhongse 中塞,syllable promoting,tone pitch changing into 242.The tone sandhi and rhyme sandhi has the functions of expressing nickname,distinguishing word meaning and nominalization. |