Username: Beijing University of Chemical Technology
User needs:
Establish a broadcast-level professional five-seat high-quality recording and recording classroom, which can automatically collect and record audio and video resources in the classroom, and perform real-time intelligent image switching according to the actual situation of the classroom; recording classroom recording quality courseware including teacher image, student image, panoramic image , the teacher's electronic lecture image, and the blackboard image, all images can be recorded through the recording system, and the image effect of each channel is automatically recorded into the original resource file, and can also be recorded into the movie mode file through the intelligent guide strategy;
The movie mode screen recorded by the recording and broadcasting system can realize real-time audio and video interactive teaching with other classrooms through an interactive interactive system;
Through the lecture room, the teacher can teach the students in the classroom, and set up any student in the other classroom to answer questions in real time;
Support peer-to-peer interaction between the lecture room and the lecture class, and support real-time audio and video interaction between the lecture room and the interactive classroom.
Application products:
Video products: PowerCreator HD PTZ camera \ 55-inch domestic HD LED LCD TV \ projector;
Audio products: wireless microphone \ hanging wheat \ audio processor \ speaker \ amplifier;
Service system: intelligent guidance system\intelligent image location system\interactive system\resource service system\control system.
Technical solutions:
The project perfectly solves the seamless integration of the curriculum resource platform and the subordinate recording and broadcasting classrooms as a whole, and supports media streaming with other media resource systems; recording the high-quality teaching classrooms in the classroom through the broadcast-quality boutique recording and broadcasting system. Courseware, and automatically uploaded to the resource service platform, automatically sort the recorded video files through the resource service platform; the platform also supports online editing and courseware management of multi-upload courseware, accessing users to log in to the resource service system through IE browser, using After logging in with your own ID, you will get your own operation rights, and you can perform live, on-demand, online editing and other operations on the resource service platform.
The resource platform service is closely connected to the recording and broadcasting classrooms, and can view the situation of the recording and broadcasting classrooms through the platform in real time, and group and interact with the recording and broadcasting classrooms, so that multiple classrooms can form multiple interactive groups to carry out interactive activities respectively;
System networking
The equipment of the interactive recording and recording classroom is collected by the local recording and broadcasting server, and all the multimedia signals of the classroom are intelligently guided and switched through the intelligent guiding system. At the same time, the overall system architecture service is provided by the educational interactive cloud platform, and all applications can pass the IP. The network is implemented.
system applications
The system is divided into professional interactive recording and broadcasting system and educational resource interactive cloud platform. The recording of all classroom localization is recorded and saved by the professional recording and broadcasting system, and transmitted to the educational resource interactive platform for evaluation, classification, on-demand, editing, etc. through the network. Operation; the platform shares resources to different users over an IP network.
Classroom floor plan
Classroom layout: The classroom is divided into a teaching area and a viewing control area. The local professional recording and broadcasting system equipment is placed in the control room's chassis. The front display devices such as LCD TV, HD camera, speaker, hanging wheat, wireless microphone and other equipment are arranged in the teaching. region.
Program characteristics
Professional manual + automatic full media virtual reality combined course recording platform
The system adopts the mode of manual and automatic combination, which can realize the production of professional courseware and live webcast of teaching, post-editing and on-demand broadcasting, and making it into a quality courseware. At the same time, after the system is connected with the original system, it can realize the oral class and the online open class live broadcast. , sharing classes, micro-track recording and other applications.
Full channel video and audio recording
With long time and full channel audio and video synchronization continuous recording capability, all video files and audio can be recorded simultaneously, and all the video and audio precision of the camera on the professional non-linear editing system is convenient for later editing and modification.
Slice analysis
It is mainly used for teaching and discussion. It cuts out the excellent lectures of the recorded teachers, the wonderful interplays of teachers and students, or the fragments of under-training by the teachers for detailed analysis.
HD boutique course construction
The high-definition camera and the switcher are used to complete the pre-monitoring and recording of the entire teaching process of the teacher. It can be used for teaching evaluation, courseware reporting, and high-definition resource library construction.
Online public class
The courseware of the teacher will be passed through the network to realize the live broadcast of the video and the courseware content of the professor or upload it to the resource on-demand platform, so that the teachers and students of the whole school can watch it independently.
Micro-class recording
The teacher can explain a specific knowledge point, realize the exchange of experience with teachers and students through micro-track recording, and explain the key knowledge points.
Production of MOOC
After the completion of the system construction, it has a large-scale, open, networked curriculum platform. After the system and the network link, as long as it is a networked place, the participants can learn the course.
Effect:
At present, the project has been put into use, which has greatly helped the teaching model of the University of Chemical Technology. First, the school has completed the construction of digital education; second, teachers can provide reference for their own teaching modes and methods through this system; Students are interested in learning, and more importantly, they can learn from many aspects and provide more learning methods.
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