Power Driver Integrated Full Digital Audio Amplifier
NTP-8230
Addr 0x1F : DRC Control3
Bit
7
6
5
4
3
2
1
0
Name
X
C1C_H
X
A1C_H
Name
A1C_H
Description
DRC attack time
(high band)
Value
b‟000
b‟111
Meaning
Ref.
~
Attack time control for high band mode.
It has effect only in 2 band mode.
(default = b’001)
(See attack time table in Addr 0x1D.)
C1C_H
DRC release time
(high band)
b’000 ~ Release time control for high band mode.
b‟111
It has effect only in 2 band mode.
(See release time table in Addr 0x1D.)
Addr 0x20 : DRC Control 4
Bit
7
6
5
4
3
2
1
0
Name
CPR_SW CTS_SW
Name
Description
Value
Meaning
Ref.
CTS_SW DRC threshold
b’0000000 Sub-woofer uses 1-band DRC
~
-57 ~ 12dB unsigned 7-bit DRC threshold
When ch1 and ch2 is working in 2band
mode, this will be effective.
b‟1111111
CPR_SW DRC enable for high b’0
Dynamic Range Compression off
Dynamic Range Compression on
band
b‟1
Addr 0x21: DRC Control 5
Bit
7
6
5
4
3
2
1
0
Name
X
C1C_SW
X
A1C_SW
Name
Description
Value
b‟000
b‟111
Meaning
Attack time control for sub-woofer.
(default = b’001)
Ref.
A1C_SW DRC attack time
~
When ch1 and ch2 is in 2band mode, it
will be effective. (See attack time table in
Addr 0x1D.)
C1C_SW DRC release time
b’000 ~ Release time control for sub-woofer.
b‟111
When ch1 and ch2 is in 2band mode, it
will be effective. (See release time table in
Addr 0x1D.)
Addr 0x22 : DRC Control 6
Bit
7
6
5
4
3
2
1
0
Name
CPR_P
CTS_P
Name
Description
Value
Meaning
Ref.
CTS_P
DRC threshold for
post- band
b’0000000 -57 ~ 12dB unsigned 7-bit DRC threshold
~
Refer to DRC threshold value table.
b‟1111111
b’0
b‟1
CPR_P
DRC enable for
post-band
Dynamic Range Compression off
Dynamic Range Compression on
Copyright ⓒ NeoFidelity, Inc.
Page 32
Document Number: DS8230 draft ver. 0.1
2011-01-11
ETC [ ETC ]
