code: def test_digital_silence(self):
      samples_in = np.zeros((1024,), np.float32)
      augmenter = Limiter(p=1.0)
      std_in = np.mean(np.abs(samples_in))
      samples_out = augmenter(samples=samples_in, sample_rate=16000)
      std_out = np.mean(np.abs(samples_out))
      assert samples_out.dtype == np.float32
      assert samples_out.shape == samples_in.shape
      assert std_out == std_in == 0.0
  
file_path: audiomentations/tests/test_limiter.py
imports: import json
  import random
  import numpy
  import pytest
  from audiomentations import Limiter
label_desc: Use image node_id 4 for calling the TestLimiter obj's underlying member method code with example usage: obj.test_digital_silence() without return types