<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def add_hard_count(self):
 """ Reset the countdown timer, so that we don't analyze data long enough to generate a new PSD. """

        self.wait_duration = int(numpy.ceil(self.total_corruption / self.sample_rate +  self.psd_duration))
        self.invalidate_psd()