code: def test_all_available_presets(self):
      f = digital_filter(7)
      for sr in [
          8000,
          11025,
          16000,
          22050,
          24000,
          32000,
          44100,
          48000,
          88200,
          96000,
          192000,
      ]:
          f.set_a_weighting(sr)
      f = digital_filter(5)
      for sr in [
          8000,
          11025,
          16000,
          22050,
          24000,
          32000,
          44100,
          48000,
          88200,
          96000,
          192000,
      ]:
          f.set_c_weighting(sr)
  
file_path: aubio/python/tests/test_filter.py
imports: from numpy.testing import TestCase, assert_equal, assert_almost_equal
  from aubio import fvec, digital_filter
  from utils import array_from_text_file
label_desc: Use image node_id 9 for calling the aubio_filter_test_case obj's underlying member method code with example usage: obj.test_all_available_presets() without return types