code: def testOneByOne(self):
      # we compare here that filtering an array all at once or the samples
      # one by one will yield the same result
      filt = EqualLoudness()
      signal = readVector(join(filedir(), "filters/x.txt"))
  
      expected = filt(signal)
  
      # need to reset the filter here!!
      filt.reset()
  
      result = []
      for sample in signal:
          result += list(filt([sample]))
  
      self.assertAlmostEqualVector(result, expected, 1e-3)
  
file_path: essentia/test/src/unittests/filters/test_equalloudness.py
imports: from essentia_test import *
label_desc: Use image node_id 3 for calling the TestEqualLoudness obj's underlying member method code with example usage: obj.testOneByOne() without return types