class_docstr: Calculate the centroid frequency of the spectrum of the input signal
class_docstr_tok: ["Calculate","the","centroid","frequency","of","the","spectrum","of","the","input","signal"]
code: def name():
      return "Spectral centroid (vamp)"
  
file_path: TimeSide/timeside/plugins/analyzer/externals/vamp_spectral_centroid.py
imports: from timeside.core import implements, interfacedoc
  from timeside.core.api import IAnalyzer
  from timeside.core.tools.parameters import HasTraits
  from timeside.core.tools.parameters import store_parameters
  import vamp
  import vampyhost
  from .vampyhost_wrapper import VampAnalyzer
  import numpy
label_desc: Use image node_id 4 for calling the VampSpectralCentroid obj's underlying member method code with example usage: obj.name() and returns: str