STV82X8 Datasheet, PDF (1/157 Pages) STMicroelectronics – Digital Audio Decoder / Processor for BTSC Television/Video Recorders

®
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
XT™ which 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