Device that allows the student to selectively view the textbook provided by the teacher in the language lab

摘要

1. TECHNICAL FIELD OF THE INVENTION;Electrical, electronics, telecommunications, computer and software.;2. Technical problem to be solved by invention (design);It is an object of the present invention to provide a language lab apparatus for allowing a student to remotely control a teacher's device for viewing.;3. Summary of Solution to Invention;In order to realize this, the present invention provides a teaching material selection channel on the student side, and has a device for connecting the teacher audio / video device by receiving the signal, thereby making it possible to select video teaching materials and audio teaching materials.;4. Significant Uses of Invention;The Language Laboratory System is used to enhance the effectiveness of education by allowing students to select and study materials that are appropriate to their level from the materials provided by the textbook side.