)
s
p
b
k
(

)
z
H
k
(

↓
e
c
n
a
t
s
i
d

↓
e
c
n
a
t
s
i
d
T
F
T
S

i

l
e

M

e
t
a
r
t
i

h
t
d
i
w
d
n
a
B

↑
R
D
S
-
I
S

↑
L
O
Q
S
V
1.78 22.05 1.39 1.95 3.76
2.67 22.05 1.28 1.85 3.90
5.33 22.05 1.07 1.69 4.09

2.16
4.41
8.13
8 22.05 0.93 1.60 4.18 10.75
12 2.11 4.30 2.82 -0.02
2.94
12 1.97 4.19 2.94
5.99
12 1.83 4.10 3.05
12 1.70 4.02 3.13
8.36
12 1.61 3.97 3.16
9.59
8 2.71 4.86 2.19 -14.52
5.68
4 3.60 5.72 2.06
16 1.23 2.14 4.02
8.02
16 0.88 1.90 4.15 11.65

1.5
3
6
12
24
9.2
8
14
24

Codec B

Proposed

EnCodec

Lyra

Opus

)
z
H
k
(

h
t
d
i
w
d
n
a
B

↓
e
c
n
a
t
s
i
d

l
e

M

↓
e
c
n
a
t
s
i
d
T
F
T
S

)
s
p
b
k
(

e
t
a
r
t
i

↑
L
O
Q
S
V

i

↑
R
D
S
-
I
S

B
1.5 12 1.48 2.24 4.04 0.32
3 12 1.24 2.01 4.23 4.44
6 12 1.00 1.78 4.38 8.44
12 12 0.74 1.54 4.51 12.51
24 12 0.49 1.33 4.61 16.40
1.5 12 1.63 2.69 3.98 0.02
3 12 1.46 2.54 4.16 2.99
6 12 1.30 2.39 4.30 6.06
12 12 1.15 2.28 4.39 8.44
24 12 1.05 2.21 4.42 9.69

Codec

Proposed@24kHz

EnCodec
RVQGAN