Lesson content video recoding and replaying method and system

Abstract

The invention provides a lesson content video recoding and replaying method and system. Operation instructions are separated from audio and video stream data through a script mode, the bandwidth requirement is effectively lowered, and the smoothness and the screen suitability of playing are improved. The method comprises a video recoding process and a replaying process. The video recoding process comprises the steps of obtaining configuration data of a server side, and initializing client sides; obtaining the starting time of a lesson, and starting video recording; obtaining display data of the teacher client side; starting or stopping obtaining of audio or video data according to the request of the teacher client side of the authorized student client side; recording the operation data of the teacher client side and the operation data of the authorized student client side; recording all chat record data in the lesson; obtaining the ending time of the lesson, and stopping video recording; transmitting all the data of the lesson to a data storage end, adding a lesson ID to the data, and then saving the data. The replaying process comprises the steps that the client sides extract the data of the lesson from the data storage end according to the ID of the lesson; the client sides analyze the data of the lesson and replay the data through a playing module.

Description

technical field [0001] The invention relates to the field of educational software, and in particular to a method and system for video recording and playback of classroom content. Background technique [0002] With the rapid development of information technology, especially from the Internet to the mobile Internet, the way of life, work and study across time and space has been created, and the way of knowledge acquisition has undergone fundamental changes. Teaching and learning can not be limited by time, space and location conditions, and knowledge acquisition channels are flexible and diverse. [0003] Distance education is a form of education in which students and teachers, students and educational organizations mainly use multiple media methods for systematic teaching and communication. It is an education that transmits courses to students in one or more places outside the campus. Modern distance education refers to the education that transmits courses outside the campus...

AI Technical Summary

Problems solved by technology

[0007] 2. The screen adaptability is poor. For example, a virtual classroom video playback collected according to the 1080p standard will have a good effect when played on a PC or TV. When playing on screen devices, the effect is not satisfactory

[0008] 3. Copyright protection risk, no matter what kind of video file, as an independent file form data, compared with other private data, it is easier to spread and infringe

In the context of distance education, educational institutions or teachers have different considerations for whether the class process is open or disseminated, and the confidentiality of video files cannot cover these different needs

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