code: def test_audio_decoder_alias():
      for sample_rate in [None, 16000, 12999]:
          for downmix in [False, True]:
              for quality in [0, 50, 100]:
                  for dtype in [types.INT16, types.INT32, types.FLOAT]:
                      yield check_audio_decoder_alias, sample_rate, downmix, quality, dtype
  
imports: from nvidia.dali import Pipeline, pipeline_def
  import nvidia.dali.fn
  import nvidia.dali.ops
  import nvidia.dali.types
  import scipy.io.wavfile
  import numpy
  import os
  from test_audio_decoder_utils import generate_waveforms, rosa_resample
  from test_utils import compare_pipelines, get_files
label_desc: Use image node_id 5 for calling a global function with example usage: test_audio_decoder_alias() without return types