code: def testZero(self):
      # Inputting zeros should return zero. Try with different sizes
      size = 1024
      while size >= 256:
          self.assertEqualVector(
              TriangularBarkBands()(zeros(size)), zeros(24)
          )
          size //= 2
  
file_path: essentia/test/src/unittests/spectral/test_triangularbarkbands.py
imports: from essentia_test import *
  import numpy
label_desc: Use image node_id 4 for calling the TestTriangularBarkBands obj's underlying member method code with example usage: obj.testZero() without return types