code: def strip_silence(
      seg, silence_len=1000, silence_thresh=-16, padding=100
  ):
      if padding > silence_len:
          raise InvalidDuration(
              "padding cannot be longer than silence_len"
          )
  
      chunks = split_on_silence(
          seg, silence_len, silence_thresh, padding
      )
      crossfade = padding / 2
  
      if not len(chunks):
          return seg[0:0]
  
      seg = chunks[0]
      for chunk in chunks[1:]:
          seg = seg.append(chunk, crossfade=crossfade)
  
      return seg
  
file_path: pydub/pydub/effects.py
imports: import sys
  import math
  import array
  from .utils import db_to_float, ratio_to_db, register_pydub_effect, make_chunks, audioop, get_min_max_value
  from .silence import split_on_silence
  from .exceptions import TooManyMissingFrames, InvalidDuration
label_desc: Use image node_id 4 for calling a global function with example usage: strip_silence(seg, silence_len, silence_thresh, padding) and returns: seg, seg