@Samulis many thanks Hello guys based on what i learned from you to test Persian voice in game , i tried to replace voice files and test voices on Roman empire which is in latin foder. before going to Persian voice, i noticed that Latin voices for Roman has some issues  You can find the complete test results here https://drive.google.com/drive/folders/1iHTSkqq9g34bvS631Akx8qICkbGIxwkT?usp=sharing also attached For example "I will build voice" not used and for build