STA382BWSTR datasheet(27/172 Pages) STMICROELECTRONICS

27 / 172 page

STA382BWS

Device overview

Doc ID 022784 Rev 1

27/172

The second processing stage embeds a mixing block, a biquadratic/crossover filter, a DRC

stage, the volume control, a DC cut filter and a post scaler. Depending on the device

settings, the following configuration and features are available:

●

2.1 output with individually configurable anticlipper/DRCs (Figure 5): two individually

configurable DRC/anticlippers are available while the eighth biquadratic filter, jointly

with the mixer block, can be used to perform LFE. This configuration and features

ensure the backward compatibility with previous Sound Terminal® products.

Figure 5.

Processing path, second part: 2.1 output with individually configurable

anticlipper/DRCs

Crossov er F requenc y

Determ ined by XO Setting

(User Defin ed If

XO =0000)

C1Mx1

U s er-D efined

M ix C oeffic ients

Ch annel ½

Biquad#8

--------------

Hi-p ass XO

Filter

Ch annel 1

Vo lume

An ti-clipper

DRC

DC Cut

Filter

Po st Scale

C1Mx2

C2Mx1

Ch annel ½

Biquad#8

--------------

Hi-p ass XO

Filter

Ch ann el 2

Vo lume

An ti-clipper

DRC

DC Cut

Filter

Po st Scale

C2Mx2

C3Mx1

Ch ann el 3

Biquad#8

--------------

Lo w-p ass XO

filter

An ti-clipper

DRC

DC Cut

Filter

Po st Scale

C3Mx2

Ch ann el 3

Vo lume

Obsolete

Product(s)

- Obsolete

Product(s)

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