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參數(shù)資料
| 型號(hào)： | M62498 |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | DIGITAL SOUND CONTROLLER WITH SURROUND |
| 中文描述： | 數(shù)字環(huán)繞聲控制器 |
| 文件頁數(shù)： | 14/17頁 |
| 文件大?。?/td> | 191K |
| 代理商： | M62498 |
ELECTRIC
MITSUBISHI
M62498FP
MITSUBISHI SOUND PROCESSORS
(
/
)
17
DIGITAL SOUND CONTROLLER WITH SURROUND
14
(4) Equivalent circuit of Vocal cut
This IC incorporates the circuit which realizes a vocal cut function simply by lowering gain in
the area using the mid circuit of the tone control.
But be careful because vocal cut ON setting,the mid of the tone control can not used.
R1
C2
C1
IN
OUT
0dB
+10dB
100
1k
10k
Frequency f(Hz)
<CHARACTERISTIC CURVE>
1.Vocal cut characteristic
edition
-30dB
-20dB
-10dB
At vocal cut ON setting, the frequency characteristic can be set like the following,by the
resistance of putting outside:The fixed number of R1 and C1,C2.
VOCAL CUT SW
VOCAL CUT ON setting :SW OFF
VOCAL CUT OFF setting:SW ON
f0=550Hz
Gv=-30dB
550
R2
R3
R2+R3=200K
20log
R2+R3
R1
+2
2
(dB)
2
π
R1(R2+R3)C1C2
1
(Hz)
f
0
=
Gv =
0dB
+10dB
100
1k
10k
-30dB
-20dB
-10dB
f0=530Hz
Gv=-20dB
550
R=3K
,C1=C2=0.012μF
R=10K
,C1=C2=6800pF
2.Tone control mid
characteristic edition
Tone mid corrugation at
Vocal cut OFF setting
8dB setting
8dB setting
Frequency f(Hz)
Tone mid corrugation at
Vocal cut OFF setting
Tone mid corrugation at
Vocal cut ON setting
Tone mid corrugation at
Vocal cut ON setting
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