m62461fp Mitsumi Electronics, Corp., m62461fp Datasheet - Page 16

• Manufacturer Part Number: m62461fp
• Description: Super Single Chip Surround Processor With Dolby Logic Decoder
• Manufacturer: Mitsumi Electronics, Corp.

VREFA
AVcc
(+9V)
AGND
MIC
Lin
Rin
FUNCTION
CENTER MODE
CONTROL
C.Trimmer
S.Trimmer
Block Diagram
Block name
NOISE
SEQUENCER
(L+R)
(L-R)
ADAPTIVE
MATRIX
SU
INPUT
BALANCE
2
2
S'
MOS
MIC
EC
SELECTOR2
Surround filter
Echo filter
NOISE
SEQUENCER
Digital Deley
ADAPTIVE
MATRIX
Correction of a level error between the input Lch and
Rch for optimum decorder performance
Determine the direction and relative magnitude of
encoded soundfield.
A noise sequencer circuit for ajustment of output level
Select 4 - center mode position
(WIDE/NORMAL/PHANTOM/OFF)
This is the level ajustment volum of Cch and Sch.
( 0 to -31 dB : 1dB/step )
MIC
MIX
MITSUBISHI
(
16
VOL
ELECTRIC
"Super Single Chip " Surround Processor
C
L
R
/
20
Modifide BNR
CENTER
MODE
CONTROL
PHANTOM
NORMAL
)
WIDE
OFF
7kHz
LPF
+
Function
3STEREO/MUTE
AVDD
(+5V)
with Dolby Pro Logic Decoder
MITSUBISHI SOUND PROCESSORS
BNR
OUT
VDD
I C bus Interface
DOUT
2
SELECTOR3
M62461FP
ADD/SUB
4MHz
PRO LOGIC
BY-PASS
OTHER
MUTE
Delay Mix SW
SELECTOR1
SCL
S.Trimmer
C.Trimmer
(0 to -31dB)
(0 to -31dB)
C-62461-82B
SDA
+
-
Lout
Rout
Cout
Dout
GND
Sout
LO3
CT
LO1
LO2