Mono or Stereo microphone setup

mcguirepr89 / BirdNET-Pi

A realtime acoustic bird classification system for the Raspberry Pi 4B, 3B+, and 0W2 built on the TFLite version of BirdNET.

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Mono or Stereo microphone setup #1249

Closed SchmidL closed 2 weeks ago

SchmidL commented 2 weeks ago

Hi are there any insights of using a mono or a stereo microphone setup with the BirdNET-Pi? What would be the pros for a stereo, so far i could not figure out any, besides more data :)

tphakala commented 2 weeks ago

BirdNET Analyzer works with mono files only, if anything stereo could introduce phase issues if stereo channels are downmixed to mono. So mono is recommended.

Btw this repository is abandoned, further development is done on https://github.com/Nachtzuster/BirdNET-Pi there is also my golang based implementation https://github.com/tphakala/birdnet-go

SchmidL commented 2 weeks ago

Thank you a lot! just saw many stereo setups, but yeah, was not so conclusive for me :)