STV82X8 Datasheet PDF - STMicroelectronics

www.Datasheet-PDF.com

STV82X8
STMicroelectronics

Part Number STV82X8
Description Digital Audio Decoder/Processor
Page 30 Pages


STV82X8 datasheet pdf
Download PDF
STV82X8 pdf
View PDF for Mobile

No Preview Available !

www.DataSheet4U.com
STV82x8®
Digital Audio Decoder/Processor
for BTSC Television/Video Recorders
Key Features
Fully Automatic Multi-Standard Demodulation
M/N standards
FM mono
BTSC (US MTS) stereo and SAP standards
Multi-Channel Capability
3 I²S digital inputs, S/PDIF (in/out)
5.1 analog outputs
Dolby® Pro Logic®
Dolby® Pro Logic II®
2 I²S digital outputs (TQFP100 only)
2 asynchronous I²S digital inputs (TQFP100 only)
Sound Processing
ST royalty-free processing: ST WideSurround, ST
OmniSurround, ST Dynamic Bass, ST Bass
Enhancer, SRS® WOW™ , SRS® TruSurround
XTwhich is Virtual Dolby® Surround and Virtual
Dolby® Digital compliant
Independent Volume / Balance for Loudspeakers
and Headphone
Loudspeakers: Smart Volume Control (SVC),
5-band equalizer and loudness
Headphone: Smart Volume Control (SVC), bass-
treble, loudness, ST Dynamic Bass and SRS®
TruBass
3 different bip tones
Analog Audio Matrix
4 stereo inputs or 5 stereo inputs (TQFP100 only)
3 stereo outputs
Pass-thru mode
Audio Delay for Audio Video Synchronization
Embedded stereo delay up to 120 ms for lip-sync
function
Independent delay on headphone and loudspeaker
channels
External additional audio delay support (TQFP100
only)
The STV82x8 family, based on audio digital signal
processors (DSP), performs high quality and advanced
dedicated digital audio processing.These devices
provide all of the necessary resources for automatic
detection and demodulation of analog audio
transmissions for USA, Taiwanese, Brazilian etc.
terrestrial analog TV broadcasts.
February 2005
PRELIMINARY DATA
Virtual or true multi-channel capabilities and easy digital
links make them ideal for digital audio low cost consumer
applications. Starting from enhanced stereo up to
independent control of 5 loudspeakers and a subwoofer
(5.1 channels), the STV82x8 family offers standard and
advanced features plus sound enhancements, spatial
and virtual effects to enhance television viewer comfort
and entertainment.
Typical Applications
Analog and digital TV with virtual surround sound
Analog and digital TV with multi-channel surround
sound
DVD and HDD recorders
“Palm size” portable TV
STV82x8®
STV82x8®
TQFP80 Package
TQFP100 Package
© 2004 SRS Labs, Inc. All rights reserved, SRS and
the SRS logo are registered trademarks of SRS Labs, Inc.
“Dolby”, “Pro Logic”, and the double-D symbol are trademarks of
Dolby Laboratories.
Rev. 1
1/157



No Preview Available !

STV82x8
Figure 1: STV82x8 Block Diagram (TQFP80)
www.DataSheet4U.com
Audio
DAC
DATA_0
DATA_1
DATA_2
LR_CLK
S_CLK
Audio Matrix
Back-end Processing and Pre-scaler
2/157



No Preview Available !

STV82x8
Figure 2: STV82x8 Block Diagram (TQFP100)
www.DataSheet4U.com
Audio
DAC
DATA_0
DATA_1
DATA_2
LR_CLK
SCLK
A_DATA
A_LR_CLK
A_S_CLK
D_DATA
Audio Matrix
Back-end Processing and Pre-scaler
3/157



No Preview Available !

STV82x8
Table of Contents
www.DataSheet4U.com
Chapter 1
1.1
1.2
General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
STV82x8 Overview ............................................................................................................ 13
1.1.1 Core Features ..........................................................................................................................................13
1.1.2 Software Information ...............................................................................................................................14
1.1.3 Electrical Features ...................................................................................................................................14
Typical Applications ........................................................................................................... 15
Chapter 2 System Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Chapter 3
3.1
3.2
Digital Demodulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Sound IF Signal .................................................................................................................. 19
Demodulation ..................................................................................................................... 19
Chapter 4
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
4.10
4.11
4.12
4.13
4.14
4.15
Dedicated Digital Signal Processor (DSP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Back-end Processing ......................................................................................................... 21
Audio Processing ............................................................................................................... 22
ST WideSurround ............................................................................................................... 24
ST OmniSurround .............................................................................................................. 25
Dolby Pro Logic II Decoder ................................................................................................ 25
Bass Management ............................................................................................................. 25
4.6.1 Bass Management Configuration 0 .........................................................................................................26
4.6.2 Bass Management Configuration 1 .........................................................................................................26
4.6.3 Bass Management Configuration 2 .........................................................................................................27
4.6.4 Bass Management Configuration 3 .........................................................................................................28
4.6.5 Bass Management Configuration 4 .........................................................................................................29
SRS WOW and TruSurround XT ...................................................................................... 29
4.7.1 SRS TruSurround ....................................................................................................................................29
4.7.2 SRS WOW ...............................................................................................................................................30
Smart Volume Control (SVC) ............................................................................................. 30
ST Dynamic Bass/ST Bass Enhancer ............................................................................... 31
5-Band Audio Equalizer ..................................................................................................... 31
Bass/Treble Control ........................................................................................................... 31
Automatic Loudness Control .............................................................................................. 32
Volume/Balance Control .................................................................................................... 32
Soft Mute Control ............................................................................................................... 33
Beeper ................................................................................................................................ 33
4/157



STV82X8 datasheet pdf
Download PDF
STV82X8 pdf
View PDF for Mobile


Related : Start with STV82X Part Numbers by
STV82X6 Multistandard TV Audio Processor and Digital Sound Demodulator STV82X6
ST Microelectronics
STV82X6 pdf
STV82X7 Digital Audio Decoder/Processor STV82X7
STMicroelectronics
STV82X7 pdf
STV82X8 Digital Audio Decoder/Processor STV82X8
STMicroelectronics
STV82X8 pdf
STV82X8 Digital Audio Decoder/Processor STV82X8
STMicroelectronics
STV82X8 pdf

Index :   0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z   

This is a individually operated, non profit site. If this site is good enough to show, please introduce this site to others.
Since 2010   ::   HOME   ::   Contact