%PDF-1.4
%
1 0 obj
<>
endobj
2 0 obj
<>
endobj
3 0 obj
<>stream
IEEE
IEEE Signal Processing Letters;2021;28; ;10.1109/LSP.2021.3076358
Anti-spoofing
one-class classification
feature learning
generalization ability
speaker verification
One-Class Learning Towards Synthetic Voice Spoofing Detection
endstream
endobj
4 0 obj
<>stream
x+ |
endstream
endobj
5 0 obj
<>stream
x=07jb b8hbt$RZ,%Fhny.w8Г'B\/Ff7ݍUYR]+R+ۙ.94K5}ੇye3NKp|p`~4
qF9ǩYuqEToC .(}ݵ9
endstream
endobj
6 0 obj
<>stream
x+ |
endstream
endobj
7 0 obj
<>stream
x0YjbAG `hzLfӋ֜# ̝F>_qE%K]+RK1:$fR[V.O+:%=νpD7]#b!o*m$FVjբh`̟819
endstream
endobj
8 0 obj
<>stream
x+ |
endstream
endobj
9 0 obj
<>stream
x=07jb b8hbt$RZ,%Fhny.w8Г'B\/FYͦswcGEGʾv&BK<q~tox&xae^2EƶA8
phʢqF9ǩYuqEToC .(}9
endstream
endobj
10 0 obj
<>stream
x+ |
endstream
endobj
11 0 obj
<>stream
x0YjbAG `hzLfӋ֜ts'ẎѪmW\QRG:Dv,I#~iٳVUk
N w}s/-
nFcțJ hZ(8'1N)99
endstream
endobj
12 0 obj
<>stream
x+ |
endstream
endobj
13 0 obj
<>stream
x=07jbP$aF4@18Z-^4<;$i!gs#Ahۻ6#.e%T7Pi[!?'f1?Ez\XY`_ei}pwWČ1mpTtJ:m[s9
endstream
endobj
14 0 obj
<>stream
2021-04-29T19:37:15+05:30
Adobe Illustrator CS6 (Windows)
2021-04-29T19:37:15+05:30
2021-04-29T19:37:15+05:30
256
56
JPEG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pdfTeX-1.40.21
False
This is pdfTeX, Version 3.14159265-2.6-1.40.21 (TeX Live 2020) kpathsea version 6.3.2
application/postscript
51.000000
66.000000
Picas
1
False
False
Black
Default Swatch Group
0
xmp.iid:F8ECCE9BF2A8EB118B19B4C0ED3EFE3C
xmp.did:F8ECCE9BF2A8EB118B19B4C0ED3EFE3C
xmp.did:F5ECCE9BF2A8EB118B19B4C0ED3EFE3C
xmp.did:F9ECCE9BF2A8EB118B19B4C0ED3EFE3C
xmp.iid:F9ECCE9BF2A8EB118B19B4C0ED3EFE3C
xmp.did:F5ECCE9BF2A8EB118B19B4C0ED3EFE3C
saved
xmp.iid:F5ECCE9BF2A8EB118B19B4C0ED3EFE3C
2021-04-29T19:34:33+05:30
Adobe Illustrator CS6 (Windows)
/
saved
xmp.iid:F9ECCE9BF2A8EB118B19B4C0ED3EFE3C
2021-04-29T19:37:15+05:30
Adobe Illustrator CS6 (Windows)
/
endstream
endobj
15 0 obj
<>stream
hD{TSGoE({9뮏"R+Z