本文借助实验手段和声学实验数据,对恭城直话的单字调和双字调变调情况进行分析。实验结果显示,恭城直话共有七个声调,其中阴人T7的调型为升调,调值45,与田野调查的结果稍有出入。恭城直话双字调连读变调可以分为调位性变调和非调位性变调两类。在调位性变调中,T2后字根据结构不同分化出偏正结构T2a和动宾结构T2b两个变调类型,其中T2a变同阴平T1,是中和型连读变调。非调位性变调分为异化型连读变调和简化型连读变调两种。恭城直话的双字调连读变调与声调所处的调域空间位置有密切的关系。如果终点处于调域两极的声调,调域调节的空间有限,其双字调组合往往会发生变调;而处于调域非两极的声调,调域调节的空间较大,其双字调组合则不易发生变调。 In this paper, with the help of experimental methods and acoustic experimental data, the author analyzes the situation of double-tone and double-tone of Gongcheng dialect. The experimental results show that there are a total of seven Gongcheng direct tone, of which Yin T7 tone for the uptoning, transfer value of 45, and the field survey results slightly different. Gongcheng direct word double-word tone can be divided into two types of adjustable tone and non-adjustable tone two categories. In the transpositional tone change, the word after T2 differentiates two transposing types of T2a and T2b according to different structures, of which T2a becomes the same as T1 and T2, which is a middle-type continually reading transliteration. Non-coordinative transmutation is divided into two types of alienation continuous read-change modulation and simplified type continuous read-change modulation. Gongcheng straight dialects of the double-tone tone read in tune with the transfer of space where the location has a close relationship. If the end point is in the tune of the tuning pole and the adjustment of the tune field is limited, its double-tone combination tends to change in tone; while the non-polar tone in the tuning field has more space to adjust the adjusting field, the double-tone combination is not easy Altered.