code: def _adjust_percent(self, real_wave_mfcc, algo_parameters):
          
          def new_time(nsi):
              """
              The new boundary time value is ``percent``
              of the nonspeech interval ``nsi``.
              """
              percent = Decimal(algo_parameters[0])
              return nsi.percent_value(percent)
          self.log(u"Called _adjust_percent")
          self._adjust_on_nonspeech(real_wave_mfcc, new_time)
docs: PERCENT