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uptrails | on: Locating the source of a mysterious beep
I'm only here with a friendly tip for the designers of beeping devices: make sure to gradually ramp high-pitched beeps up and down, so that there's no sharp edge that an adversary could time.
IanCal | parent | next
Thanks, Vetinaris clockmaker.
pillefitz | parent
You can time the envelope of the ramp, though
uptrails | root | parent
Not with any kind of precision if the slope is gentle and you're using random commodity devices with different frequency response, automatic gain control, etc.