code: def is_duplicate(cls, dataset, data):
      for d in dataset:
          if np.array_equal(d, data):
              return True
      return False
  
file_path: nlpaug/nlpaug/augmenter/audio/audio_augmenter.py
imports: import numpy
  from nlpaug.util import Method
  from nlpaug import Augmenter
label_desc: Use image node_id 3 for calling the AudioAugmenter obj's underlying member method code with example usage: obj.is_duplicate(cls, dataset, data) and returns: False, True