# pip install pydub scipy
import pydub.scipy_effects
from pydub import AudioSegment
from pydub.playback import play

raw = AudioSegment.from_wav("blah.wav")
six = pydub.scipy_effects.low_pass_filter(raw, 6000, order=1)

play(raw)
play(six)
# six._data

def bandstop(seg, low, high, order=2): 
    filter_fn = pydub.scipy_effects._mk_butter_filter([low, high], 'bandstop', order=order) 
    return seg.apply_mono_filter_to_each_channel(filter_fn) 

def de_esser(seg):
  return bandstop(raw, 8000, 10000, order=4)