Beehive audio monitoring project

Audio recording setup

An orange PI Pc plus or an Raspberry Pi with an extra USB sound card.

Audio files manipulation

File list concatenation


for f in /home/jody/beehive_audio_analyse/2017-08-02*.wav; do echo "file '$f'" >> mylist.txt; done

~/ffmpeg/ffmpeg -f concat -safe 0 -i mylist.txt -c copy output.wav

Hum in audio records

changing record levels in alsamixer reduce the hum (50Hz)

Filtering with sOx


Inside the hive