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Study on "Teachers’ Voice" in China during the Past 40 Years

Teachers are an ancient profession, imparting knowledge and preaching morality with words, sounds and actions. Voice is a basic tool for teachers to carry out their professional functions. As an academic object with both instrumentality and purpose, "teacher's voice" is different from ordinary voice application because of the professional characteristics of teacher's work and the individuality of voice expression. Therefore, the knowledge and research of "teacher’s voice" can become a systematic academic object or research topic. This is the basis of the thesis. At present, there are few academic reviews on this topic, which is the origin of this topic.