@sh.add_function(dsp, outputs=['start_stop_activation_time'])
def default_start_stop_activation_time(has_start_stop):
"""
Returns the default start stop activation time threshold [s].
:return:
Start-stop activation time threshold [s].
:rtype: float
"""
if not has_start_stop or dfl.functions.ENABLE_ALL_FUNCTIONS or \
dfl.functions.default_start_stop_activation_time.ENABLE:
return dfl.functions.default_start_stop_activation_time.threshold
return sh.NONE