class_docstr: Test suite for functions in `functional` module.
code: def test_amplitude_to_DB_power(self):
      amin = 1e-10
      db_multiplier = 0.0
      top_db = 80.0
      multiplier = 10.0
  
      spec = get_spectrogram(
          get_whitenoise(device=self.device, dtype=self.dtype), power=2
      )
      result = F.amplitude_to_DB(
          spec, multiplier, amin, db_multiplier, top_db
      )
      expected = librosa.core.power_to_db(spec[0].cpu().numpy())[
          None, ...
      ]
      self.assertEqual(result, torch.from_numpy(expected))
  
file_path: audio/test/torchaudio_unittest/functional/librosa_compatibility_test_impl.py
imports: import unittest
  from distutils.version import StrictVersion
  import torch
  import torchaudio.functional
  from parameterized import param
  from torchaudio._internal.module_utils import is_module_available
  from torchaudio_unittest.common_utils import get_spectrogram, get_whitenoise, nested_params, TestBaseMixin
label_desc: Use image node_id 3 for calling the Functional obj's underlying member method code with example usage: obj.test_amplitude_to_DB_power() without return types