The blind will gain a sense of scenery similar to optical image relying on sense of hearing, capability of stereo audio field treatment and accumulated experience.

盲人依靠人类听觉系统及大脑对立体声场的处理能力，经过经验积累，即可通过本装置获得类似于视力的感知景物光学图像的能力。

youdao

The majority of stereo-blind people really can be helped.

CNN: Why I can't watch 3D TV