| This paper takes the tones,initials and finals of Susong dialect in Anhui Province as the research object.The Chinese Language Atlas(2012)classifies Susong dialect as Huaiyue film in Gan dialect.The purpose of this paper is to reveal the phonetic characteristics of Susong Pass Dialect on the basis of field investigation,and to explore the Phonetic Evolution Law of Susong Pass dialect,and to determine the monosyllabic tone pattern of Susong dialect and the actual phonetic value of the relevant phonetic units by means of experiments.According to the survey,there are 26 initials,49 finals and 6 tones in Susong dialect.This paper sums up the phonetic characteristics of the initial,vowel and tone of Susong dialect and the laws of its evolution from ancient to modern.Its main characteristics are as follows:there are 26 initials,49 finals and 6 tones in Susong dialect.This paper sums up the phonetic characteristics of the initial,vowel and tone of Susong dialect and the evolution laws of ancient and modern times.Its main features are as follows:in terms of initial consonants,all voiced consonants are cleared,and when there are stops and affricates,more air-breathing consonants are read,and ’Ni’&’Lai’are not mixed.They can see the second-class opening of the Department without Euphrates,with some exceptions in pronunciation and pronunciation,and retain the initial consonants of the tongue root.In the aspect of vowels,when the vowels are combined with ’Ling’ initials,there is an accent-matching medium in the vowels.Some stop-photographic third-class words merge with the catch-up third-class words,pronounced as[-i],and some stop-photographic third-class words merge with the catch-up third-class words.In Susong dialect,the nasal rhyme end is preserved[-n]&[-(?)].Susong dialect ’Ru’rhyme pronounces the voiceless end of the throat[-?],part of the voiceless rhyme confluence with ’Yin’,rhyme,mostly full voiced entry.In terms of tone,the tone,’Ping’&’Qu’ become 2 new parallel tones.’Shang’ keep the independent.’Ru’maintained.In this paper,the pitch data and vowel formant data of Susong dialect are extracted by Praat 6.0.31 speech analysis software.The experimental method is used to study the vowels of monosyllabic tone,entering laryngeal stop-end and yang-tone end.This paper analyses the pitch,tone range and duration of the single word in Susong dialect,and compares them with the traditional description of tone value.From the perspective of linguistic graph analysis,there are no peaks and straight lines on the sonogram of the entering laryngeal plug tail of Susong dialect.At the end of the study of nasal rhyme in Susong dialect,the biggest difference between the main vowel of the ’Dong’ and the main vowel of the ’Tuan’ is the length of time,which is three times the difference between them. |