NJW1147
AUDIO PROCESSOR with BBE ViVA
s GENERAL DESCRIPTION
The NJW1147 is a TV audio processor with BBE ViVA High
Definition 3D Sound process. BBE's traditional sound clarity
enhancement technology is combined with the new ViVA 3D
process to create an authentic and exciting spatial effect.
BBE ViVA is compatible with news, music and movie
programs as well as video games.
The NJW1147 contains all necessary functions to process
TV audio signal such as volume control, tone control,
balance, mute, AGC and NJRC's proprietary surround sound
process, eala. The eala reproduces a natural surround
sound with clear vocal orientation.
2
The total modes and variables are controlled by the I C bus
interface.
s PACKAGE OUTLINE
NJW1147L
NJW1147M
NJW1147V
s FEATURES
8 to 13V
q Operating Voltage
2
q I C BUS Interface
q BBE Sound Enhancement (Low Boost and High Boost: 15dB max.)
q BBE ViVA High Definition 3D Sound
q eala (NJRC Original Surround)
q AGC Circuit (It reduces volume difference among input sources.)
q Simulated Surround
q Bi-CMOS Technology
SDMP30, SDIP30, SSOP32
q Package Outline
s BLOCK DIAGRAM
AGC
SR FIL
TONE INa Tone Tone
BBE2a
-Ha -La
BBE1a
BBEOUT
OUTa
CVA
CVB
BBE
VOL1
INa
TONE
VOL2
CTH
CTL
ViVA
HD3D
&
eala
&
Simulated
Surround
AGC
I2 C
Bus
I/F
AUX0
AUX1
SDA
SCL
INb
VOL1
BBE
TONE
VOL2
V+
Bias
SS FIL
Tone Tone
BBE1b
BBEOUT
BBE2b
TONE INb -Hb -Lb
OUTb
GND
Vref
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