DH Language Laboratory >> DH-04 Digital Language Laboratory Dual-core sub-screen CRT color monitor display system, one monitor not only can be used as the equipment from which two students can enjoy the video programs at the same time, but also can be two students' text-on-demand display device on their own, moreover, the independent sub-display screen does not affect each other. The sound quality of the language teaching is perfect, the voice is clear; the simultaneous transmission has no fracture. Enables the system will not collapse when processing large-scale oral discussion. The video broadcasting teaching uses the specific Video HUB with differential signal transmission makes audio and video synchronization delay of only 1.2ms. It has effectively solved the problems of image ghosting, jitter, and mosaic and so on. Ensures that the images are clear, stability is high, and the transmission distance is long. Student terminals use student computer monitor to receive video broadcast. System Feature: Multi-functional and powerful language learning system with functions: VIDIO / AUDIO / TEXT broadcasting, dictation, student demonstration, simultaneous interpretation, exam, group discussion, text shadowing, live recording, etc. Teachers still can do the TEXT broadcasting, Demonstrations, Dialogue and so on by the independent control keys of the audio master even without boosting teacher's PC. Teachers are able to appoint students to listen to selected channels to do listening practice. Students can choose text and any practice from teacher side freely. With text-following and A-B segment replaying for students. Teacher can transmit message or text to student's monitor through E-board Text can be lively recorded into digital files in the teacher's PC. Paperless exam function: double-subject test-paper, automatic grade, analyze after exam and print the test-paper out. Digital recording: students can record their own oral practice Support catechetical examination, Student unit can connect PS/2 standard keyboard to obtain listing and writing test. Calling function: students can call for the help to teachers. Teacher Console Function: 1. Teacher can instruct by microphone and broadcast the courses to students. 2. Interactive discussion between students and teachers. 3. Teachers can appoint 1 to 4 students to demonstrate to all. 4. Teacher can monitor the discussion between students. 5. Text can be lively recorded into digital files in the teacher's PC. 6. Teacher can appoint 1 to 4 students as the interpreters to do interpretation. 7. Teacher can play audio files as teaching material and let student type what they hear by P/S2 keyboard. 8. Teacher can appoint 2 or 4 students as a group to discuss. 9. There are 8 open multimedia channels for students to listen freely. Teacher also can appoint channel to selected students. 10. Standard Exam: A / B test paper (double-subject test papers), on line quiz, normal exam environment, real time grade, test result analysis and print test paper out. 11. Oral Exam: Teacher can appoint 1 to 4 students to have oral exam. 12. Quiz Mode: Teacher can do on line quiz in class to understand the students' learning condition. 13. Teachers can load TXT file or input the message to transmit text to students via E-board. Audio files can be broadcasted at the same time. 14. Teaching Materials Editor: Teacher can do oral recording by microphone or load MP3 and add text to make a synchronized teaching material. When teacher play the edited audio file, the text will be shown on the student unit simultaneously. 15. Class Scroll: Teacher can edit and save the class information such as layout and student names. Teacher can load the saved data accordingly, the student icon will automatically shows student numbers or names. 16. Exam Analysis: The system can collect student answer s of multiple choice questions and auto the results. The students' composition will also be collected and allow teacher manually adding the score. 17. Exam Paper Editor: Teacher can freely edit exam paper and set the correct answer and score. The edited file can be loaded as the exam paper under exam mode or practiced by students under self-study mode. Student Unit Function: 1. With text-following and A-B segment replaying for students. 2. Be able to change the audio speed to be faster or slower with the same tone. The adjustment range is up to ±50% 3. IP Phone function: Students can select target student to do oral practice. 4. Support SP, SSP, SPS repeating mode. With intellectual language recognition technician, identify each sentence accurately to reach optimal repeat and shadowing function. 5. HD Recorder: Students also can record their oral practice and replay record file. 6. Media Player: Student unit can play Such as MP3 / WAV / TXT format to do LISTEN, READING. 7. Self-Exam: Students also can select test paper to practice. 8. Self-Study Mode: Under self study mode, students can choose audio files randomly from teacher's PC. 9. Hardware specifications: P/S2 interface keyboard port Mic. and earphone port One audio output (line port) RJ-45 LAN port 3-Inch LCD Display