Arnia Hive Monitoring Project

The Arnia Project is the first commercial hive monitoring project based on audio data. They have some interesting scientific papers about sound recording and analyzing published.

The excellent videos give a nice insight to the developed hardware, especially the scale design:

An older article for a first overview:

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I Like the insights they gather from the entrance audio analysis: After the Swarm: Will the bees survive and prosper? | Arnia

Depending on the audio level peaks they can show when the mating flights have taken place. I have also seen interesting findings with an entrance microphone on other projects.

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