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Recognizes the "Rrrring" sound of my doorbell using Node-RED & Edge Impulse and posts a message on my slack channel.
doorbell service : node edge impulse classify
node is sometimes reporting error
error: "RuntimeError: abort(OOM). Build with -s ASSERTIONS=1 for more info."
this happened when input payload array doesn't have right number of elements.
I think it is due to the sox command that stops after some time (around 1 minute)
sox -q -t alsa default -L -e signed-integer -c 1 -r 44100 -b 16 -t raw - trim 0 60 gain 0
The idea is to access the microphone via pulseaudio.
This way other services could also access the microphone at the same time.
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