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Wireless multimedia real-time learning system and method

A real-time learning, multimedia technology, applied in transmission systems, electrical components, data exchange through path configuration, etc., can solve problems such as difficult multimedia information transmission and browsing, and achieve scalability and stability The effect of improving learning enthusiasm and efficiency

Inactive Publication Date: 2008-04-02
HUNAN UNIV
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

The mobile learning system based on short messages, although its data communication has a certain real-time performance, it does not continuously and quickly reflect the on-site situation, and it is difficult to realize the transmission and browsing of multimedia information
Mobile learning based on short messages uses mobile phones as the main learning vehicle, but mobile phones at this stage cannot meet the application requirements of connection-based mobile learning, and it is necessary to develop new mobile learning vehicles for mobile learning environments; and today's embedded technology and Its related development platforms are becoming more and more abundant and mature, and the bandwidth provided by communication technology is also getting higher and higher, which lays the foundation for connection-based mobile learning

Method used

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Embodiment Construction

[0021] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

[0022] In the present invention, utilize PC as main control server and stream media server, utilize the embedded equipment based on PXA255 processor as mobile learning terminal, and configure abundant peripheral interface (as Fig. 2) for PXA255 processor, comprise SDRAM, FLASH , Infrared interface / USB interface, audio interface. The terminal runs a cut and customized linux operating system and a QT graphical interface. Mainly complete the following:

[0023] ●Add CF interface wireless network card driver to provide 802.11b-based wireless network interconnection function;

[0024] ●Develop a Chinese input method to improve the Chinese input efficiency of the qt graphical interface under touch screen input;

[0025] ●Develop a network learning software system, cooperate with server-side software to realize MPEG-4 decoding, AMR decoding, JPEG decoding functio...

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Abstract

The invention provides a real-time studying system and method of wireless multimedia, referring to real-time embedded type stream media technique based on wireless network. The system is composed of a main control server, a stream media server, a wireless network AP meeting point and a mobile studying terminal. The two servers are connected with each other by a wired Ethernet. The mobile studying terminal is interlinked with the said two servers using wireless network. The main control server manages the user logging validation and the system alternation control. The stream media server maintains the study source and data and collects the data to produce the real-time stream media data issuance. The wireless network AP meeting point provides communication function of the mobile studying terminal and the said server. The mobile studying terminal is and portable embedded device and is interlinked with the said two servers using wireless network to alternate with the stream media. The invention has features of simple operation interface, low cost, convenient disposal, large capacity, rich interface, applicable for a great variety of application, in order to perform individuation study. The system can be used in university teaching, cooperation teaching and referring and so on.

Description

technical field [0001] The invention relates to the development and application of a wireless network-based real-time embedded streaming media technology, in particular to a wireless multimedia real-time learning system and method. Background technique [0002] The main purpose of mobile learning is to use mobile terminals and wireless communication networks to carry out teaching-related activities, including class learning, access to teaching resources, course evaluation and testing, and so on. To realize the above-mentioned functions, the combination between the mobile device and the wireless network and between the wireless network and the Internet is very important. There are two main mobile learning schemes: one is to use short message service to realize mobile learning; the other is to use various connection-oriented services to realize mobile learning. At this stage, it is mainly based on wired network or GSM short message system. The mobile learning system based on...

Claims

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Application Information

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IPC IPC(8): H04L12/28H04L29/06
Inventor 徐成李仁发刘彦秦云川罗正钦黄春毅彭蔓蔓吴蓉晖赵欢
Owner HUNAN UNIV
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