Even if you can't or don't want to make the case for using the open source solution in your workplace, use the open source option as the platform from which you can take a deep dive into a technology.

即使你不想或者不能在工作中利用开源方法，那就把开源作为一个平台，使自己可以对一项技术进行深入学习。

youdao

Or, if you are interested in the technology deep-dive, read his detailed post: Meet the Tacit Project: Sonar for the Blind.

FORBES: Assistive Technology Device for the Blind