BU9414FV Datasheet, PDF (38/61 Pages) Rohm – 32bit Audio DSP

BU9414FV
ON/OFF high frequency DRC .
Default = 0
Select Address
&h18 [ 6 ]
Setting of LPF(LPF2) .
Default = 0
Select Address
&h19 [ 5:4 ]
Setting of LPF(LPF1) .
Default = 00h
Select Address
&h19 [ 3：0 ]
Setting of low frequency A_RATE.
Default = 0h
Select Address
&h1A [ 6：4 ]
Setting of low frequency R_RATE.
Default = 0h
Select Address
&h1A [ 3：0 ]
Technical Note
Value
0
1
Operational explanation
Use high frequency DRC
Not use high frequency DRC
Value
0
1
2
OFF
1st order
2nd order
Operational explanation
Operational explanation
Command
0
1
2
3
4
5
6
7
Frequency
スルー
200Hz
400Hz
600Hz
800Hz
1000Hz
1200Hz
1400Hz
Command
8
9
A
B
C
D
E
F
Frequency
1600Hz
1800Hz
2000Hz
-
-
-
-
-
Operational explanation
Command
Time
Command
Time
0
1ms
4
5ms
1
2ms
5
10ms
2
3ms
6
20ms
3
4ms
7
40ms
Operational explanation
Command
0
1
2
3
4
5
6
7
R_RATE
0.25s
0.5s
0.75s
1s
1.25s
1.5s
2s
2.5s
Command
8
9
A
B
C
D
E
F
R_RATE
3s
4s
5s
6s
7s
8s
9s
10s
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38/57
2012.03 - Rev.A