code: def testNegativeInput(self):
      # Negative vlues should be set to 0
      vibrato, extent = Vibrato()([-1] * 1024)
  
      self.assertEqualVector(vibrato, [0.0] * 1024)
      self.assertEqualVector(extent, [0.0] * 1024)
  
file_path: essentia/test/src/unittests/tonal/test_vibrato.py
imports: from essentia_test import *
  from numpy import sin, float32, pi, arange, mean, log2, floor, ceil
label_desc: Use image node_id 4 for calling the TestVibrato obj's underlying member method code with example usage: obj.testNegativeInput() without return types