RealTimeAudio

Record, process and plot microphone audio in real-time

Requirements

• pyaudio

sudo apt-get install libportaudio0 libportaudio2 libportaudiocpp0 portaudio19-dev

sudo apt-get install python-dev

sudo apt-get install python3-pyaudio

• scipy

pip install scipy

• matplotlib

pip install matplotlib

• numpy

pip install numpy

Usage

For PC

python3 pc_rec.py [OPTIONS] INDEX

For RPi

python3 rpi_rec.py [OPTIONS] INDEX

• INDEX
  INDEX is the index of the input audio device to be used (run python3 list_devices.py to get a list of the indices and names of all audio devices with one or more input channels).

• OPTIONS:
  -p, --plot
  Plot the recorded audio. Default: False

  -d, --dur DURATION
  DURATION is the number of seconds to be recorded. Default: 20

  -r, --rate RATE
  RATE is the sampling rate to be used while recording. Default: 16000

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Chris Francis (chris.francis@iitgn.ac.in)