DRC
HPF
3D
PGA
+
+
DRC
HPF
+
+
–
+
–
+
+
From
Left-
Channel
Interface
To
Modulator
Digital
Volume
Ctrl
Biquad
B
L
´
Biquad
C
L
Biquad
D
L
Biquad
A
L
Biquad
E
L
Biquad
F
L
Interp.
Filter A
Interp.
Filter A
Biquad
A
R
From
Right-
Channel
Interface
Biquad
B
R
Biquad
C
R
Biquad
D
R
Biquad
E
R
Biquad
F
R
To
Modulator
Digital
Volume
Ctrl
´
+
+
Beep
Gen.
Beep Volume Ctrl
Beep Volume Ctrl
´
´
IIR
Left
IIR
Right
BiQuad
A L
Interp.
Filter A
DRC
HPF
BiQuad
FL
BiQuad
EL
BiQuad
A R
IIR
Left
3D
PGA
+
+
Interp.
Filter A
DRC
HPF
BiQuad
FR
BiQuad
ER
BiQuad
D R
BiQuad
C R
BiQuad
BR
IIR
Right
+
+
-
+
-
+
+
from
Left
Channel
Interface
to
Modulator
to
Modulator
Digital
Volume
Ctrl
Digital
Volume
Ctrl
from
Right
Channel
Interface
BiQuad
BL
BiQuad
CL
BiQuad
DL
´
´
DAC
2.4.1.10 5 Biquads, DRC, 3D, Interpolation Filter A
Figure 2-29. Signal Chain for PRB_P24
2.4.1.11 5 Biquads, DRC, 3D, Beep Generator, Interpolation Filter A
Figure 2-30. Signal Chain for PRB_P25
2.4.2 User Programmable Filters
Depending on the selected processing block, different types and orders of digital filtering are available. Up
to 6 biquad sections are available for specific processing blocks.
39
SLAU434 – May 2012
TLV320DAC3203 Application
Copyright © 2012, Texas Instruments Incorporated