the invention device specifications and the operating system is different for each client to a particular lecture different quality of the learning materials to multi-channel smart learning system to provide the basis of adaptation, obtaining a first client or the device specifications and the operating system and the identification information of the second client, respectively, to allow the first operating system and the equipment capability of the client based teaching data for quality in the identification information of the first client sent over the first client to occupy one channel, or based on a lecture data for low quality that allows the operating system and device specifications for the second client to the identification information of the second client providing the resource to the second client is transmitted over the occupied channel; Down-encoding the encoding target containing at least one of the source element file in the unit object constituting the learning material with reference to the information obtained from the resource provider to generate the coded file, the structure of the text element file For structured to produce high quality files, the file and the file is coded to produce a low-quality structured file for structuring the remaining original elements other than the file encoding target generating unit; The structuring of the original component files with high quality for structured file creation lecture data for the quality, and the lessons for the low-quality structuring the remaining original component files except the encoded target and said the coded file in a structured file for poor quality relationship analysis unit for generating data; May include and learning resources stored pour storing the original component files and the high quality for structured file with the structured file with the person for a lower quality coded files in the database. ;
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