recorder
record and beamform
python3 main.py mic; python3 wav2h5.py recorder_output/records/audio.wav; python3 beamform.py; rm recorder_output/records/audio.*
python3 main.py mic; python3 wav2h5.py recorder_output/records/audio.wav; python3 beamform.py; rm recorder_output/records/audio.*