Teacher-end answering equipment and system

A teacher-side and teacher-based technology, applied in the field of signal processing, can solve problems affecting real-time online answering of terminals, consuming large data traffic, and disconnecting the mobile phone from the server, so as to improve the reliability of information interaction and reduce the consumption of data traffic. Effect

Inactive Publication Date: 2018-06-26
上海谦问万答吧云计算科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing teacher-end online question-answering equipment consumes a lot of data traffic due to video or voice, and has high requirements for the network. If the student-end uses a mobile phone, there will be automatic switching between different network signals when the mobile phone signal is extremely poor. , causing the disconnection between the mobile terminal and the server, which affects even the real-time online Q&A of the terminal

Method used

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  • Teacher-end answering equipment and system
  • Teacher-end answering equipment and system
  • Teacher-end answering equipment and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] figure 1 A structural diagram of a teacher-side question-answering device provided in Embodiment 1 of the present invention. This embodiment is applicable to online teaching. The teacher-side question-answering device 1 provided in this embodiment includes: a question-and-answer book 11, a digital pen 12, and a teacher's client13.

[0054] Wherein, the dot matrix array is configured in the answer book 11; the digital pen 12 is used to collect the dot matrix position association information associated with the position written by the teacher in the answer book 11, and the dot matrix position association information is sent to the teacher client 13; The teacher client 13 is configured to construct a handwritten answering data packet according to the received dot matrix position association information, and send the handwritten answering data packet to the student client through the UDP reliable transmission mechanism.

[0055]Preferably, the answer book 11 includes at le...

Embodiment 2

[0061] This embodiment is optimized based on the above embodiments, and specifically, the working process of the teacher client in the above embodiments is further elaborated in detail. The teacher client is specifically used to: send a set number of handwritten answering data packets to be confirmed to the student client, and store the handwritten answering data packets to be confirmed in the sending window; receive the voice answering packet sent by the student client , wherein, the voice response packet is accompanied by handwritten answering data packet confirmation information; according to the handwritten answering data packet confirmation information, slide the sending window, and delete the confirmed handwritten answering data packet from the sending window , generating an idle sending window; continue to send the handwritten answering data packet to be confirmed matching the quantity of the idle sending window to the student client, and store the handwritten answering ...

Embodiment 3

[0078] This embodiment is optimized on the basis of the above-mentioned embodiments, and specifically, the working process of the digital pen in the above-mentioned embodiments is further elaborated in detail. The digital pen is specifically used for: according to the set sampling frequency, periodically collect the dot matrix position related information written by the teacher in the answer book, and send the dot matrix position related information to the teacher client through the universal serial bus .

[0079] Specifically, the set sampling frequency can be determined according to the actual acquisition effect of the digital pen, preferably, the set sampling frequency is times / ms, that is, the sampling period is 18ms / time. By printing an invisible dot matrix pattern on the answer book, the high-speed camera at the front of the digital pen captures the movement trajectory of the pen tip at any time, and finally sends the dot matrix position related information to the teac...

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Abstract

The invention discloses a teacher-end answering equipment and system and relates to the signal processing technology field. The equipment comprises an answering notebook, a digital pen and a teacher client, wherein the answering notebook is configured with a lattice array, the digital pen is used for acquiring the lattice position association information associated with the write-in position of ateacher in the answering notebook and sending the lattice position association information to the teacher client, and the teacher client is used for constructing hand-written answering data packets according to the received lattice position association information and sending the hand-written answering data packets through a reliable transmission mechanism of a user data packet protocol to studentclients. The equipment is advantaged in that data flow consumption can be reduced, and information interaction reliability is improved.

Description

technical field [0001] Embodiments of the present invention relate to signal processing technologies, and in particular to a teacher-end question answering device and a question answering system. Background technique [0002] With the continuous development of network technology, the teaching method between teachers and students has developed from offline to online, among which online question answering has become a technological development trend. [0003] At present, the commonly used online Q&A equipment for teachers is: video equipment or voice equipment. Teachers and students interact with each other through video or voice respectively. When students have questions, they will inform teachers online through video or voice. Teachers Write the answering information on the answer sheet, send it to the students by video or taking pictures, and at the same time explain it through voice. [0004] The existing teacher-end online question-answering equipment consumes a lot of d...

Claims

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Application Information

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IPC IPC(8): G09B5/14
CPCG09B5/14
Inventor 苗广艺袁荣喜雷梦松张凯磊
Owner 上海谦问万答吧云计算科技有限公司
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