NJW1147 Datasheet, PDF (1/20 Pages) New Japan Radio – AUDIO PROCESSOR with BBE ViVA

NJW1147
P R E L I M I N A LY
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.
The total modes and variables are controlled by the I²C bus
interface.
s PACKAGE OUTLINE
NJW1147M
s FEATURES
q Operating Voltage
8 to 13V
q I²C 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
q Package Outline
SDMP30, SDIP30
NJW1147L
s BLOCK DIAGRAM
AGC
VOL1
VOL1
ViVA
HD3D
&
e ala
&
Sim ulated
Surround
BBE
BBE
TONE
VOL2
I²C Bus
Interface
TONE
VOL2
Bias
-1-