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Sound2Lissajous

2024, Till Bovermann

Python scripts that generate a Lissajous curve from sound signals. The Lissajous curve is generated by plotting the left channel on the x-axis and the right channel on the y-axis.

Install

Best to use a virtual environment to install the required dependencies:

python3 -m venv .venv
source .venv/bin/activate

After activating the virtual environment, you can install the required dependencies:

pip install -r requirements.txt

Usage

sound2lissajous.py

The sound2lissajous.py script generates a Lissajous curve from a sound file. See the help message for more information:

python sound2lissajous.py -h

Example usage:

python sound2lissajous.py sound.wav

returns an svg file with the Lissajous curve, named after the input file.

rt2lissajous.py

The rt2lissajous.py script captures a stereo signal from the input device and generates a Lissajous curve in real-time. Apart from arguments specofoc to r/t capturing, it takes the same arguments as sound2lissajous.py.

Example usage:

python rt2lissajous.py

returns a wav file with the recorded audio and the Lissajous curve, both named with the current timestamp.

Dependencies

The scripts depend on the following Python packages:

They are listed in the requirements.txt file and installed with the pip command mentioned above.