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STA350B Datasheet(PDF) 78 Page - STMicroelectronics

Part # STA350B
Description  2.1-channel high-efficiency digital audio system Sound TerminalR
PDF  94 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA350B Datasheet(HTML) 78 Page - STMicroelectronics

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Register description
STA350B, STA350BW
78/94
DocID018572 Rev 7
Figure 33. EQDRC scheme
8.18.3
Extended post-scale range
Post-scale is an attenuation by default. When PS48DB is set to 1, a 48-dB offset is applied
to the coefficient RAM value, so post-scale can act as a gain too.
8.18.4
Extended attack rate
The attack rate shown in Table 65 can be extended to provide up to an 8 dB/ms attack rate
on both limiters.
Channel In
Channel In
BIQUAD
EQDRC
Standard DRC
Channel In
Channel In
BIQUAD
BIQUAD
PEAK
DETECTOR
PEAK
DETECTOR
ATTENUATION
CLACULATOR
ATTENUATION
CLACULATOR
ATTENUATION
ATTENUATION
Channel In
Channel In
BIQUAD
EQDRC
Standard DRC
Channel In
Channel In
BIQUAD
BIQUAD
PEAK
DETECTOR
PEAK
DETECTOR
ATTENUATION
CLACULATOR
ATTENUATION
CLACULATOR
ATTENUATION
ATTENUATION
AM045195v1
PS48DB
Mode
0
Post-scale value is applied as defined in coefficient RAM
1
Post-scale value is applied with +48 dB offset with respect to the
coefficient RAM value
XAR1
Mode
0
Limiter1 attack rate is configured using Table 65
1
Limiter1 attack rate is 8 dB/ms
XAR2
Mode
0
Limiter2 attack rate is configured using Table 65
1
Limiter2 attack rate is 8 dB/ms



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