增强声像教材教学效果的设计观李康声像教材是现代教育和教学领域中重要的信息载体和手段。电教工作者始终对声像教材的设计和制作给予高度重视。然而，对声像教材的设计和制作往往偏重于从普通影视片的角度，即从画面构图、剪接、蒙太奇、音响、特技效果等因素出发，从影... Design Concept of Enhancing Teaching Effect of Audio-visual Teaching Materials Li Kang’s audio-visual teaching materials are important information carriers and means in modern education and teaching. Audio-visual workers have always attached great importance to the design and production of audiovisual materials. However, the design and production of audio-visual materials tend to focus on the general film point of view, from the screen composition, editing, montage, audio, special effects and other factors, from the shadow ...