STV8267DT データシートの表示（PDF） - STMicroelectronics

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STV8267DT

Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders

STMicroelectronics 

®

STV82x7

Digital Audio Decoder/Processor

for A2 and NICAM Television/Video Recorders

Key Features

■ Full-Automatic Multi-Standard Demodulation

● B / G / I / L / M / N / D / K Standards

● Mono AM and FM

● FM 2-Carrier (German and Korean Zweiton) and

NICAM

■ Multi-Channel Capability

● 3 I²S digital inputs, S/PDIF (in/out)

● 5.1 analog outputs

● Dolby® Pro Logic®

● Dolby® Pro Logic II®

■ Sound Processing

● ST royalty-free processing: ST WideSurround, ST

OmniSurround, ST Dynamic Bass, 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 and SRS® TruBass™

■ Analog Audio Matrix

● 4 stereo inputs

● 3 stereo outputs

● THRU mode

■ Audio Delay for Audio Video Synchronization

● Embedded stereo delay up to 120 ms for lip-sync

function (up to 180 ms for tuner input)

● Independent delay on headphone and loudspeaker

channels

The STV82x7 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 European and Asian terrestrial TV

broadcasts.

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 STV82x7 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

STV82x7®

© 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.

February 2005

Rev. 3

1/149

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