Yes, the teacher can see your total viewing time backstage. Superstar learning links strengthen the online and offline communication between teachers and students, so that students can easily obtain the information they need online, thus achieving teaching purposes and improving learning efficiency.
For example, a video is 10 minutes. If you watch it at twice the speed, the background will show that you have studied for 5 minutes. It won't have any influence, and it won't affect your grades. I suggest you hang up and arrange your time reasonably. Large open online courses, that is, massiveopenonlinecourses.
Back to double speed, it will be displayed in the background later. According to the relevant information of the query, the background recording at twice the speed will be shorter than the normal playback time. The time of watching the playback is recorded in the background, but it can only be seen by the teacher, and the students can't view it themselves.
No, in this case, there is no record from the teacher. Only you can see this. You can find your own settings and set them to be invisible to the other party. However, if you study at twice the speed, sometimes he won't finish it.