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what for?

Acoustic analysis can be used to determine the health status and mood of the bees.

apidictor patent

frequencies to measure:

  • 180-190 Hz ("normal"): healthy bee sound in quiet period (night?)
  • ~220-290 Hz ( "warble"): if that sound occurs, queen's rate of egg laying has diminished.
  • >3000 Hz ("hiss") : sound occurs by clapping or knocking on the hive.
    • short sharp hiss: healthy queen
    • sluggish rise in hiss with slow fade: abnormality

interpretation of the sounds