37 / 210
37 / 210
:
:
:
"
2015
--
2
-7
-6
-5
-4
-3
-2
-1
0
1
2
0
2
4
6
8
10
12
14
4
speaker 1
speaker 2
speaker 3
speaker 4
-7
-6
-5
-4
-3
-2
-1
0
1
2
0
2
4
6
8
10
12
14
2
speaker 1 speaker 2
$
4
,
2
4.
2
DER=42%
4
5%
DER=1
.
# #
2
.
#
-
2 .
#
,
-
2
.
#
2
-
4
,
-
4 2 .
2
-
4
2
-
2
.
