An Exploration of the Phenomenon of Soft Tone Change in Suining Dialect
Soft tone is a kind of light and short tone formed by the change of voice flow,which not only shows the weakening of length,pitch and intensity,but also shows the influence on initial consonants and vowels.The initial consonants and vowels of Suining dialect are disappearing and increasing under the effect of phonetic weakening.This paper discusses this phenomenon from the Angle of phonetic evolution mechanism and initial state theory,and probes into its cause.On the basis of sorting out the rule of soft tone change in Suining dialect,the author researches the phenomenon of the lost soft characters.