COMPARATIVE STUDYING OF SOUND MODIFICATION AND THEIR VARIATION IN THE RUSSIAN AND PERSIAN LANGUAGES

Modern Persian language belongs to Ancient Persian language group. It has 29 phonemes with 6 vowels and 23 consonants. Phoneme changes can be explained on base of vowel and consonant perception. Each language has its own phonetic structure, for example Persian does not have diphtongues. Sound modification is sound variation, omission, or change. Phoneme opposition neutralization and assimilation, i.e. sound change in voicelessness/voicedness, are connected, but consonant voicing or devoicing in sound combinations or phonetic positions are different in Russian and Persian languages. The article analyzes sound modification in Persian language, presents their detailed description. These modifications are compared with the ones in Russian