نظام آوایی/ واجی گویش تاتی شال

Tat(Tati) is one of the Iranian languages ​​of the northwestern branch and a survivor of one of the Mād varieties. The Tati language has different varieties, and in this research, the Tati Shal variety has been investigated. In this research, it was tried to answer the following two questions. First, which feature of the phonetic system of the Tati Shal dialect is more acceptable and reflective of the reality that is going on in the minds of Tati Shal dialect speakers, and secondly, how are nouns, adjectives, and verbs identified themselves in the Tati Shal dialect. The research method is descriptive- analytical, and the data were collected in a library and field method. The purpose of this research is to investigate the changes of sounds and also how to use nouns, adjectives, and verbs in the conversations of Tati shal language.  After analyzing the data, it is clear that it changes the acceptable and reflective features of the phonetic system. It is phonetic, different and significant, including replacement, displacement, insertion, modification of vowels and consonants, removal of the final consonant, vowel harmony, and in response to the second question, insert names. The ending [ʔah], adjectives with the ending [a] and verbs with the ending [e] show themselves.