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參數(shù)資料
| 型號(hào)： | 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(yè)數(shù)： | 25/42頁(yè) |
| 文件大?。?/td> | 299K |
| 代理商： | UPC1892 |
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μ
PC1892
25
Electrical characteristics measurement: Matrix block (2/5)
Parameter
Symbol
Test conditions
Surround
mode
VOL
BAL
TRE
BAS
L+R
EFF
L, R in-phase gain
difference
OFF mode
Movie mode
Music mode
DG
OFF
DG
MOV
DG
MUS
OFF
MOV
MUS
5.0
2.5
2.5
2.5
–
2.5
VR
OUT
: Voltage of R
OUT
(Pin 12)
VR
IN
:Voltage of R
IN
(Pin 26) (0.5 V
r.m.s.
,
f = 1 kHz)
VL
OUT
: Voltage of L
OUT
(Pin 14)
VL
IN
: Voltage of L
IN
(Pin 25) (0.5 V
r.m.s.
,
f = 1 kHz)
Rear output gain
1/2/3/4
G
REAR1
G
REAR2
G
REAR3
G
REAR4
MUS
MOV
5.0
2.5
2.5
2.5
–
2.5
or
5.0
L-channel
V
IN
:Voltage of L
IN
(Pin 25) (0.5 V
r.m.s.
,
f = 1 kHz)
REAR
OUT
: Voltage of REAR
OUT
(Pin 9)
R-channel
V
IN
:Voltage of R
IN
(Pin 26) (0.5 V
r.m.s.
,
f = 1 kHz)
REAR
OUT
: Voltage of REAR
OUT
(Pin 9)
Output noise
OFF mode
L+R
OUT
NO
OFF
NO
L+R
NO
OFF
: Voltage of L
OUT
(Pin 14), R
OUT
(PIn 12) through DIN/AUDIO filter.
NO
L+R
: Voltage of L+R
OUT
(Pin 13)
through DIN/AUDIO filter.
L
IN
(Pin 25), R
IN
(Pin 26) : Connect to the
GND with electrolytic capacitor (22
μ
F)
and resistor (600
).
OFF
5.0
2.5
2.5
2.5
5.0
–
Output noise
Movie mode
NO
MOV
NO
MOV
: Voltage of L
OUT
(Pin 14), R
OUT
(Pin 12) through DIN/AUDIO filter.
L
IN
(Pin 25), R
IN
(Pin 26) : Connect to the
GND with electrolytic capacitor (22
μ
F)
and resistor (600
).
MOV
5.0
2.5
2.5
2.5
–
2.5
Output noise
Music mode
NO
MUS
NO
MUS
: Voltage of L
OUT
(Pin 14), R
OUT
(Pin 12) through DIN/AUDIO filter.
L
IN
(Pin 25), R
IN
(Pin 26) : Connect to the
GND with electrolytic capacitor (22
μ
F)
and resistor (600
).
MUS
5.0
2.5
2.5
2.5
–
2.5
Output noise
Simulated mode
NO
SIM
NO
SIM
: Voltage of L
OUT
(Pin 14), R
OUT
(Pin 12) through DIN/AUDIO filter.
L
IN
(Pin 25), R
IN
(Pin 26) : Connect to the
GND with electrolytic capacitor (22
μ
F)
and resistor (600
).
SIM
5.0
2.5
2.5
2.5
–
2.5
Note 1.
OFF: OFF mode, MOV: Movie mode, MUS: Music mode, SIM: Simulated mode
2.
VOL: Volume control voltage, BAL: Balance control voltage, TRE: Treble control voltage, BAS: Bass control voltage,
L+R: L+R volume control voltage, EFF: Effect control voltage, –: Undefined
VR
VL
OUT
DG = 20 log – 20 log
VR
IN
VL
IN
Note 1
Control pin voltage (V)
Note 2
REAR
OUT
G
REAR
= 20 log
V
IN
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