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A comment on Launch HN: Sunu (YC S17) – Sonar wristband helping blind people navigate. Parent comment

Re:Launch HN: Sunu (YC S17) – Sonar wristband helping blind ... by xkcd-sucks on Thursday July 27, 2017 @07:43PM (#14870773)
Possibly modeling the acoustic characteristics of a space + simulating its response to pings/white noise bursts/etc.?
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