MITSUBISHI SOUND PROCESSORS
“Super Single Chip” Surround Processor
with Dolby Pro Logic Decoder
M62460FP
DESCRIPTION
The M62460FP is a“super”single chip LSI supporting the Dolby Pro
Logic surround.This LSI contains all sorts of functions including delay
circuit function.In addition,it has Digital Space Surround functions
(Disco,Hall,Live mode etc.) and echo function for karaoke.
Note:Use of this LSI requires the license of Dolby Laboratories
Licensing Corporation
Outline
Outline 80P6N
0.8mm pich QFP
(20.0mmX14.0mmX2.8mm)
Dolby and the double-D symbol are trademarks of Dolby Laboratories
Licensing Corporation.San Francisco,CA94103-4813,USA.
This device available only to licensees of Dolby Lab.
Licensing and application information may be obtained from Dolby Lab.
Features
(Mode)
Dolby Pro Logic
Digital Space Surround
Dolby Pro Logic Surround System which includes all of required
functions.
DISCO,Hall,LIVE mode and 5 delay time positions
Short echo:td=147.5msec,Long echo:td=196.6msec
Input signal through mode
Echo (KARAOKE)
BY-PASS
System Configuration
Lch IN
L
Input
Auto-
Balance
Control
L
Lch
Center/
operating
mode
control
Adaptive
Matrix
S
R
C
R
C
Rch IN
Noise
Sequencer
L+R
2
L-R
2
7kHz
LPF
LPF-IN
Modified
Dolby
B-NR
LPF-OUT
S
Center
Trim
Surround
Trim
Master
Volume
Control
Rch
CENTER
S
SURROUND
NR-IN
Digital Delay
MCU INTERFACE
MIC IN
DATA SCK REQ
MITSUBISHI
ELECTRIC
( 1 / 20 )
C-62460-72E
MITSUBISHI [ MITSUBISHI ELECTRIC SEMICONDUCTOR ]
