code: def test_nonsilence_operator():
      batch_size = 3
      window_sizes = [512, 1024]
      reset_intervals = [-1, 2048, 8192]
      references_power = [None, 0.0003]
      cutoff_coeffs = [-10, -60, -80]
      for ws in window_sizes:
          for ri in reset_intervals:
              for rp in references_power:
                  for cc in cutoff_coeffs:
                      yield check_nonsilence_operator, batch_size, cc, ws, rp, ri, ws
  
file_path: DALI/dali/test/python/operator_1/test_nonsilence.py
imports: import librosa
  import numpy
  import nvidia.dali.types
  import test_utils
  import os
  import nvidia.dali.fn
  from nvidia.dali import pipeline_def
label_desc: Use image node_id 4 for calling a global function with example usage: test_nonsilence_operator() without return types