code: def _voicing_decision_error_frames(true_t, true_f, est_t, est_f):
      return (est_f != 0) != (true_f != 0)
  
file_path: fairseq/examples/speech_synthesis/utils.py
imports: import numpy
  import torch
  from scipy.interpolate import interp1d
  import torchaudio
  from fairseq.tasks.text_to_speech import batch_compute_distortion, compute_rms_dist
label_desc: Use image node_id 6 for calling a global function with example usage: _voicing_decision_error_frames(true_t, true_f, est_t, est_f) and returns: unknown