1 licensing, 3 functional description – Cirrus Logic CS48LV13 User Manual
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2.1 Licensing
A key feature of both products that enables ease of implementation, quick time to market and performance optimized to a
particular ID is the RAPID2 diagnostic and tuning tool. This Microsoft Windows® based tool provides GUI based
monitoring and control of all critical SoundClear parameters as well as system level measurements and statistics. RAPID2
tool features are described in
.
2.1 Licensing
Licenses are required for any third-party audio-processing algorithms, including but not limited to Sensory, Inc.
TrulyHandsfree™ and Dolby and DTS postprocessing solutions provided for the CS48LV12/13. A Cirrus Logic royalty free
license is also required to distribute product containing the CS48LV12 or CS48LV13 embedded software packages
required for functionality described in this data sheet. Contact your local Cirrus Logic Sales representative for more
information.
3 Functional Description
Figure 3-1. CS48LV12 Block Diagram
Co
de
c
S
oC
o
r
A
p
pl
icat
io
n
P
ro
cesso
r
PGA
Noise
Reduction
Acoustic Echo Canceller
Residual Echo Suppressor
NLP
Spectrally Matched
Comfort Noise
Dynamic
FlexEQ
ALC
PGA
C
o
dec P
o
rt
Ho
st
P
or
t
Full-Duplex Control + Voice Activity Detection + Double Talk Detection
PGA
Comfort
Noise
Automatic Volume
Control
Automatic Level
Control
Dynamic
FlexEQ
Noise
Reduction
PGA
Media Processor
GND
V
D
V
L
Debug
MCLK
I
2
S
Raw
PCM
I
2
S
Clean
PCM
RESET
BUSY
I
2
S
Clean
PCM
CLK
SPI/I
2
C
I
2
S
Raw
PCM
INT
Near
End
Far
End
Optional