from pydub import AudioSegment
from pydub.silence import split_on_silence

# https://stackoverflow.com/questions/36458214/split-speech-audio-file-on-words-in-python

sound_file = AudioSegment.from_wav("output.wav")
audio_chunks = split_on_silence(sound_file,
    # must be silent for at least half a second
    min_silence_len=200,

    # consider it silent if quieter than -16 dBFS
    silence_thresh=-16
)

for i, chunk in enumerate(audio_chunks):

    out_file = ".//splitAudio//chunk{0}.wav".format(i)
    print ("exporting", out_file)
    chunk.export(out_file, format="wav")