9 ms·

I'm not sure this is true given the inaccuracy of shotspotter

• h2odragon 4y ago
  I think shotspotter's problems are more political than technical. Not to say they don't have technical challenges too: better sensors than the human ear turn out to be fairly easy, but interpreting that data is still hard. Brains are complicated, "hearing" is a process contributed to by nearly every layer of meat that reacts to sound. The human ability to notice a new noise in the cacophony of everyday life is really an amazing trick if you think about it.
  • sdenton4 4y ago
    I know a non-shotspotter effort to identify gunshot sound in a very different context which also is having a very hard time; there is a real unsolved technical problem here. And it makes me think that ID'ing gun model from audio - which will be harder than simply identifying the existence of gunfire - is going to be very difficult.
• closewith 4y ago
  Possibly with small calibre weapons in urban areas. Sound ranging is a solved and reliable way of identifying artillery locations and was the gold standard until counter-battery radar was developed during WW2. It's still in service with all major militaries (in the West, largely using BAE HALO) as it's a completely passive sensor system and therefore not subject to attack from HARM.