1. it's a person trying to
stop the
energy wave of
sound.
(5110CMOlB)2.
sonic shut-off may be quite selective: the
individual may be able to hear sounds but not voices. Selective shut-offs are caused both by
charge on the
case and by selective
sonic shut-off commands, such as "You cannot hear your wife," or "You pay no
attention to me."
(SOS, p. 66)