VAD is certainly a complex but underappreciated topic. If you like signal processing, FFTs and want to see a similar concept implemented in Python, then check out this code. It's has a fairly well-tuned VAD component built-in.<p><a href="https://github.com/neuml/txtai/blob/master/src/python/txtai/pipeline/audio/microphone.py">https://github.com/neuml/txtai/blob/master/src/python/txtai/...</a>