code: def mean_dbfs(sample_data):
      return rms_to_dbfs(
          math.sqrt(np.mean(np.square(sample_data, dtype=np.float64)))
      )
  
imports: import collections
  import ctypes
  import io
  import math
  import numpy
  import os
  import pyogg
  import tempfile
  import wave
  from .helpers import LimitingPool
  from collections import namedtuple
  from .io import open_remote, remove_remote, copy_remote, is_remote_path
label_desc: Use image node_id 36 for calling a global function with example usage: mean_dbfs(sample_data) and returns: rms_to_dbfs