Intelligent network terminal for collecting and encrypting classroom teaching multimedia information in real time and working method
A multimedia information and intelligent network technology, applied in the field of intelligent network terminals, can solve the problems of unable to undertake classroom teaching information collection and interaction, unable to realize information security, not considering the use of multiple people and the special environment of the classroom, etc.
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Embodiment 1
[0042] Example 1: like Figure 7 Shown workflow of the present invention:
[0043] 1) Power-on start: firstly carry out the self-test program, which mainly checks whether each hardware device of the device can work normally, whether the hardware dog system can work normally, and whether the wireless WIFI network can be accessed normally. If it is normal, go to the next step, otherwise it will stop automatically and wait for maintenance;
[0044] 2) After passing the self-test, start the "software dog program" and "power monitoring and management program". The software dog program is a long-running background program, which is mainly responsible for receiving regular polling information from the upper computer to ensure the normal transmission of the wireless WIFI network; the "power monitoring and management program" is mainly responsible for monitoring the current power supply. If abnormal, the battery inside the device will be automatically activated for power supply. I...
Embodiment 2
[0049] Example 2: The present invention realizes classroom Teaching inspection sign-in The method of operation: the terminal is installed on each desk in the classroom. When students are in class, they enter their student ID on the terminal. At this time, the terminal uploads the student ID to the upper control computer, and the upper control computer determines whether the student is Should be taught in that class. If not, the student will be prompted to go to the wrong classroom. If so, the terminal equipment will be notified to take pictures. There will be prompts during the photographing process. Students need to take a frontal photo under the prompt as a class attendance file, which will be encrypted by the terminal and uploaded to the upper control computer. In order to prevent students from skipping classes and replacing sign-in in the classroom. The terminal will randomly take snapshots during the class, and there is no prompt during the capture process. The devic...
Embodiment 3
[0050] Example 3: The present invention is realizing Practical aspects of classroom teaching The method of operation: During the class, the teacher can control the computer through the host, and through the remote control command, designate the terminal of the classroom to display a single-choice question. Students enter their own choice answers through the terminal buttons. The terminal will automatically upload the results of the students' operations to the upper control computer through the wireless WIFI network, and the upper control computer will automatically perform option statistics and display the current student answer chart in real time. At the same time, the terminal will automatically turn on the audio and video collection equipment, and record and record the whole process of answering. Video and audio information pass through the processing card in the terminal, and after real-time preprocessing, they are mixed and encoded into one signal, and then encrypted ...
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