STV8268FD View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STV8268FD

Digital Audio Decoder/Processor for BTSC Television/Video Recorders

STMicroelectronics 

®

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

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