code: def db_to_amp(
      *, x: np.ndarray = None, gain: float = 1, base: int = 10, **kwargs
  ) -> np.ndarray:
      """Convert decibels spectrogram to amplitude spectrogram.
  
      Args:
          x (np.ndarray): Decibels spectrogram.
          gain (float): Gain factor. Defaults to 1.
          base (int): Logarithm base. Defaults to 10.
  
      Returns:
          np.ndarray: Amplitude spectrogram.
      """
      return _exp(x / gain, base)
  
imports: from io import BytesIO
  from typing import Tuple
  import librosa
  import numpy
  import scipy
  import soundfile
  from librosa import magphase, pyin
label_desc: Use image node_id 6 for calling a global function with example usage: db_to_amp() and returns: _exp