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STA369BWS 数据表(PDF) 69 Page - STMicroelectronics

部件名 STA369BWS
功能描述  2.1-channel 40-watt high-efficiency digital audio system Sound Terminal?
PDF  89 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STA369BWS 数据表(HTML) 69 Page - STMicroelectronics

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STA369BWS
Register description
Doc ID 16861 Rev 4
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Figure 20.
EQDRC scheme
Extended postscale range
Postscale is an attenuation by default. When PS48DB is set to 1, a 48-dB offset is applied to
the configured word, so postscale can act as a gain too.
Extended attack rate
The attack rate shown in Table 65 can be extended to provide up to 8 dB/ms attack rate on
both limiters.
Extended biquad selector
De-emphasis filter as well as bass and treble controls can be configured as user defined
filters when equalization coefficients link is activated (BQL = 1) and the corresponding BQx
bit is set to 1.
Table 76.
Bit PS48DB description
PS48DB
Mode
0
Postscale value is applied as defined in coefficient RAM
1
Postscale value is applied with +48-dB offset with respect to the coefficient
RAM value
Table 77.
Bit XAR1 description
XAR1
Mode
0
Limiter1 attack rate is configured using Table 65
1
Limiter1 attack rate is 8 dB/ms
Table 78.
Bit XAR2 description
XAR2
Mode
0
Limiter2 attack rate is configured using Table 65
1
Limiter2 attack rate is 8 dB/ms
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



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