<s>
Auditory	B-General_Concept
display	I-General_Concept
is	O
the	O
use	O
of	O
sound	O
to	O
communicate	O
information	O
from	O
a	O
computer	O
to	O
the	O
user	O
.	O
</s>
<s>
The	O
primary	O
forum	O
for	O
exploring	O
these	O
techniques	O
is	O
the	O
International	B-General_Concept
Community	I-General_Concept
for	I-General_Concept
Auditory	I-General_Concept
Display	I-General_Concept
(	O
ICAD	O
)	O
,	O
which	O
was	O
founded	O
by	O
Gregory	O
Kramer	O
in	O
1992	O
as	O
a	O
forum	O
for	O
research	O
in	O
the	O
field	O
.	O
</s>
<s>
Auditory	B-General_Concept
display	I-General_Concept
enables	O
eyes-free	O
usage	O
for	O
blind	O
users	O
(	O
via	O
a	O
screen	O
reader	O
)	O
as	O
well	O
as	O
sighted	O
users	O
who	O
are	O
using	O
their	O
eyes	O
for	O
other	O
tasks	O
.	O
</s>
<s>
A	O
rapid	O
detection	O
of	O
acoustic	O
signals	O
and	O
the	O
omnidirectional	O
feature	O
of	O
the	O
sense	O
of	O
hearing	O
can	O
contribute	O
to	O
the	O
effectiveness	O
of	O
an	O
auditory	B-General_Concept
display	I-General_Concept
even	O
when	O
vision	O
is	O
available	O
.	O
</s>
<s>
This	O
complicates	O
the	O
use	O
of	O
auditory	B-General_Concept
displays	I-General_Concept
for	O
certain	O
applications	O
.	O
</s>
