code: def encode_16bits(*, x: np.ndarray, **kwargs) -> np.ndarray:
      return np.clip(x * 2**15, -(2**15), 2**15 - 1).astype(
          np.int16
      )
  
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 30 for calling a global function with example usage: encode_16bits() and returns: np