STV8287D View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STV8287D

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

STMicroelectronics 

STV82x7

Table of Contents

Chapter 1

1.1

1.2

1.3

General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

STV82x7 Overview .............................................................................................................. 8

1.1.1 Core Features ............................................................................................................................................8

1.1.2 Software Information .................................................................................................................................9

1.1.3 Device Input Modes ...................................................................................................................................9

1.1.4 Electrical Features ...................................................................................................................................10

Typical Applications ........................................................................................................... 10

Pin Descriptions and Application Diagrams ....................................................................... 14

Chapter 2 System Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Chapter 3

3.1

3.2

Digital Demodulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

Sound IF Signal .................................................................................................................. 21

Demodulation ..................................................................................................................... 22

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

Dedicated Digital Signal Processor (DSP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Back-end Processing ......................................................................................................... 24

Audio Processing ............................................................................................................... 25

ST WideSurround ............................................................................................................... 28

ST OmniSurround .............................................................................................................. 28

Dolby Pro Logic II Decoder ................................................................................................ 28

Bass Management ............................................................................................................. 28

4.6.1 Bass Management Configuration 0 .........................................................................................................29

4.6.2 Bass Management Configuration 1 .........................................................................................................30

4.6.3 Bass Management Configuration 2 .........................................................................................................31

4.6.4 Bass Management Configuration 3 .........................................................................................................32

4.6.5 Bass Management Configuration 4 .........................................................................................................33

SRS WOW and TruSurround XT ...................................................................................... 33

4.7.1 SRS TruSurround ....................................................................................................................................33

4.7.2 SRS WOW ...............................................................................................................................................34

Smart Volume Control (SVC) ............................................................................................. 34

ST Dynamic Bass .............................................................................................................. 35

5-Band Audio Equalizer ..................................................................................................... 35

Bass/Treble Control ........................................................................................................... 35

Automatic Loudness Control .............................................................................................. 36

Volume/Balance Control .................................................................................................... 36

Soft Mute Control ............................................................................................................... 37

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