The video was still silent.
No one was talking, there was no environmental sound, and no background music either.
The compartment opened, and the staff carried equipment out box by box. Soon, the teachers joined in to help.
The scene switched, and the assembly technician entered the classroom, putting headbands on each special student and adjusting the detailed parameters.
From the moment the first child's eyes suddenly widened, the background sound of the video abruptly appeared. He looked around in disbelief, opening his mouth but unable to make a sound.
–– Most congenitally deaf people can't speak.
However, now with the help of the auxiliary equipment [Eight Sides], regaining the ability to hear and learning to speak would not be difficult.
Not to mention that there were professional teachers here to teach, which would greatly shorten the time it would take to learn to speak.
Then the next student, the student after that, and the student after that...
