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參數(shù)資料
| 型號： | UPC1892 |
| 廠商： | NEC Corp. |
| 英文描述： | MATRIX SURROUND SOUND PROCESSOR WITH SOUND PROCESSOR |
| 中文描述： | 矩陣環(huán)繞聲處理器，音頻處理器 |
| 文件頁數(shù)： | 15/42頁 |
| 文件大小： | 299K |
| 代理商： | UPC1892 |
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μ
PC1892
15
Matrix surround block (2/3)
Parameter
Symbol
Test conditions
Note 1
MIN. TYP. MAX. Unit
L, R in-phase gain
difference
Music mode
DG
MUS
V
IN
= 0.5 V
r.m.s.
, f = 1 kHz,
Effect control voltage = M
DG
MUS
= (R
IN
→
R
OUT
) –
(L
IN
→
L
OUT
)
H
M
M
M
MUS
–2
0
+2
dB
Rear output gain 1
G
REAR1
V
IN
= 0.5 V
r.m.s.
, f = 1 kHz,
Effect control voltage = M
G
REAR1
= R
IN
(L
IN
)
→
REAR
out
–
–
–
–
MUS
–5.0
–3.0
–1.1
dB
Rear output gain 2
G
REAR2
V
IN
= 0.5 V
r.m.s.
, f = 1 kHz,
Effect control voltage = H
G
REAR2
= R
IN
(L
IN
)
→
REAR
out
–
–
–
–
MUS
–3.0
–1.2
+0.5
dB
Rear output gain 3
G
REAR3
V
IN
= 0.5 V
r.m.s.
, f = 1 kHz,
Effect control voltage = M
G
REAR3
= R
IN
(L
IN
)
→
REAR
out
–
–
–
–
MOV
–0.4
+1.6
+3.5
dB
Rear output gain 4
G
REAR4
V
IN
= 0.5 V
r.m.s.
, f = 1 kHz,
Effect control voltage = H
G
REAR4
= R
IN
(L
IN
)
→
REAR
out
–
–
–
–
MOV
+1.4
+3.2
+4.9
dB
Output noise
L+R
out
NO
L+R
DIN/AUDIO filter used.
Input terminal resistor (600
)
L+R volume control voltage = H
–
–
–
–
–
–
25
80
μ
V
r.m.s.
Output noise
OFF mode
NO
OFF
DIN/AUDIO filter used.
Input terminal resistor (600
)
H
M
M
M
OFF
–
25
80
μ
V
r.m.s.
Output noise
Movie mode
NO
MOV
DIN/AUDIO filter used.
Input terminal resistor (600
)
H
M
M
M
MOV
–
0.1
0.3
mV
r.m.s.
Output noise
Music mode
NO
MUS
DIN/AUDIO filter used.
Input terminal resistor (600
)
H
M
M
M
MUS
–
0.1
0.3
mV
r.m.s.
Output noise
Simulated mode
NO
SIM
DIN/AUDIO filter used.
Input terminal resistor (600
)
H
M
M
M
SIM
–
0.1
0.3
mV
r.m.s.
Crosstalk
CT
V
IN
= 0.5 V
r.m.s.
, f = 1 kHz,
BPF (1 kHz) used.
CT = L
IN
→
R
OUT
, R
IN
→
L
OUT
Input terminal resistor (600
)
H
M
M
M
OFF
–
–80
–70
dB
Inter-mode offset
V
OSM
No signal
OFF mode
→
Music mode
OFF mode
→
Movie mode
OFF mode
→
Simulated mode
Simulated mode
→
Music mode
Simulated mode
→
Movie mode
Music mode
→
Movie mode
H
M
M
M
Note 3
–75
0.0
+75
mV
Note 1.
H: 5 V, M: 2.5 V, L: 0 V, –: Undefined
2.
OFF: OFF mode, MOV: Movie mode, MUS: Music mode, SIM: Simulated mode, –: Undefined
3.
Refer to test conditions.
Note 2
S
Note 1
Control pin voltage
(V)
B
T
V
B
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