微课中的教学视频文件后期制作策略探讨

Discussion on the Post-production Strategy of Teaching Videos in Micro-lecture

微课是把教师要讲解或传授给学生的对象、知识、技能等内容制作成简短视频格式媒体文件,再通过现代化多媒体教学设备进行播放。本文通过分析微课在课堂教学的优势并分析目前教师制作的状况,根据教师制作微课时视频文件后期制作存在的困难,根据笔者的一些实验,论述后期制作的一些方法、参数,就视频格式和分辨率的组合选择进行分析,帮助教师制作出能适应各种设备条件的最佳微课。

In micro-lecture,a teacher makes short videos with the objects,knowledge and skills that will be imparted to students,and play them through modern multimedia teaching equipment.This paper analyzes the advantages of micro-lecture in classroom teaching and analyzes the current situation of teachers'production of micro-lecture.In accordance with the difficulties of post-production of videos when making micro-lecture,and based on some experiments of the writer,some methods and parameters of post-production are discussed.The combination of video formats and resolutions is analyzed to help teachers create the best micro-lecture that can adapts to various equipment conditions.