音响是电视教材中听觉信息的重要表达形式之一。在准确把握音响内涵及其作用的基础上,对其在电视教材中的应用作了系统深入的研究,并提出了运用音响时应注意的问题。 Audio is one of the important forms of audiovisual information in television teaching materials. On the basis of accurately grasping the connotation of sound and its function, this paper makes a systematic and in-depth study of its application in TV textbooks and puts forward some questions that should be paid attention to when using sound.