The purpose of the WBT(Web Based Training) server is to establish the learning support sys-tem for individual students. By using this system, both students and teachers make progress in the engineering basic study on the web where there are neither space-constraints nor time-constraints. The WBT server consists of four folders. They are ; the text folder which defines the concept of the subject study ; the developing assignment folder ; the basic practice folder which enables each student to study individually and the basic concept folder. Each student prepares for the MATLAB and PC environment to visualize the learning contents. As the way to affirm the level of achievement of each student, students send the report and questions via e-mail and take advice from their teachers. This paper discusses the WBT server consisting of four folders, with the learning support system, to learn digital signal processing.