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盲人由于视觉缺失造成了生活上的诸多不便,因此人们一直在努力研究辅助装置来提高盲人生活质量。基于感觉替代的原理,设计听觉引导助盲系统为视觉障碍人士提供帮助,成为现今生物医学工程领域的研究热点。本文介绍了听觉代替视觉的基本原理和系统构架,综述了国内外听觉引导助盲系统的发展历史和研究进展。虽然系统的开发还存在很多技术难点,但相信在不久的将来听觉引导助盲系统的发展将会为盲人的生活带来福音。
Because blind people have caused many inconveniences in life due to visual loss, people have been trying hard to study auxiliary devices to improve their quality of life. Based on the principle of sensory replacement, the design of auditory guidance system helps the visually impaired to become a research hotspot in the field of biomedical engineering. This paper introduces the basic principle and system framework of auditory replacement vision, and reviews the history and research progress of auditory guidance system at home and abroad. Although there are still many technical difficulties in the development of the system, it is believed that the development of the hearing-aid blindness system in the near future will bring good news to the blind people’s life.