code: def test_AmplitudeToDB(self):
      filepath = common_utils.get_asset_path(
          "steam-train-whistle-daniel_simon.wav"
      )
      waveform = common_utils.load_wav(filepath)[0]
  
      mag_to_db_transform = transforms.AmplitudeToDB("magnitude", 80.0)
      power_to_db_transform = transforms.AmplitudeToDB("power", 80.0)
  
      mag_to_db_torch = mag_to_db_transform(torch.abs(waveform))
      power_to_db_torch = power_to_db_transform(torch.pow(waveform, 2))
  
      self.assertEqual(mag_to_db_torch, power_to_db_torch)
  
imports: import math
  import torch
  import torchaudio
  import torchaudio.functional
  import torchaudio.transforms
  from torchaudio_unittest import common_utils
label_desc: Use image node_id 3 for calling the Tester obj's underlying member method code with example usage: obj.test_AmplitudeToDB() without return types