<s>
A	O
Zwicker	B-Application
tone	I-Application
is	O
a	O
short-term	O
auditory	B-Application
illusion	I-Application
which	O
resembles	O
tinnitus	O
(	O
ringing	O
of	O
the	O
ears	O
)	O
.	O
</s>
<s>
The	O
Zwicker	B-Application
tone	I-Application
can	O
be	O
described	O
as	O
follows	O
:	O
while	O
listening	O
to	O
broadband	O
noise	O
(	O
"	O
white	O
noise	O
"	O
)	O
with	O
a	O
spectral	O
gap	O
,	O
if	O
it	O
is	O
switched	O
off	O
a	O
faint	O
tone	O
lasting	O
for	O
several	O
seconds	O
can	O
be	O
heard	O
.	O
</s>
