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參數(shù)資料
| 型號(hào)： | MSP34X1G |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Multistandard Sound Processor Family with Virtual Dolby Surround |
| 中文描述： | 多標(biāo)準(zhǔn)聲音處理器系列與虛擬杜比環(huán)繞聲 |
| 文件頁(yè)數(shù)： | 32/104頁(yè) |
| 文件大?。?/td> | 871K |
| 代理商： | MSP34X1G |
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MSP 34x1G
PRELIMINARY DATA SHEET
32
Micronas
LOUDSPEAKER AND HEADPHONE PROCESSING
00 00
hex
00 06
hex
Volume Loudspeaker
Volume Headphone
bit[15:8]
volume table with 1 dB step size
7F
hex
+
12 dB (maximum volume)
7E
hex
+
11 dB
...
74
hex
+
1 dB
73
hex
0 dB
72
hex
1 dB
...
02
hex
113 dB
01
hex
114 dB
00
hex
Mute (reset condition)
FF
hex
Fast Mute (needs about 75 ms until the signal is com-
pletely ramped down)
bit[7:5]
higher resolution volume table
0
+
0 dB
1
+
0.125 dB increase in addition to the volume table
...
7
+
0.875 dB increase in addition to the volume table
bit[4]
0
must be set to 0
bit[3:0]
clipping mode
0
1
2
3
reduce volume
reduce tone control
compromise
dynamic
With large scale input signals, positive volume settings may lead to signal clipping.
The MSP 34x1G loudspeaker and headphone volume function is divided into a
digital and an analog section. With Fast Mute, volume is reduced to mute posi-
tion by digital volume only. Analog volume is not changed. This reduces any
audible DC plops. To turn volume on again, the volume step that has been used
before Fast Mute was activated must be transmitted.
If the clipping mode is set to
“
reduce volume
”
, the following rule is used: To pre-
vent severe clipping effects with bass, treble, or equalizer boosts, the internal
volume is automatically limited to a level where, in combination with either bass,
treble, or equalizer setting, the amplification does not exceed 12 dB.
If the clipping mode is
“
reduce tone control
”
, the bass or treble value is
reduced if amplification exceeds 12 dB. If the equalizer is switched on, the gain
of those bands is reduced, where amplification together with volume exceeds
12 dB.
If the clipping mode is
“
compromise
”
,
the bass or treble value and volume are
reduced half and half if amplification exceeds 12 dB. If the equalizer is switched
on, the gain of those bands is reduced half and half, where amplification
together with volume exceeds 12 dB.
If the clipping mode is
“
dynamic
”
, volume is reduced automatically if the signal
amplitudes would exceed
2 dBFS within the IC.
For operation of MDB, dyna-
mic mode must be switched on.
VOL_MAIN
VOL_AUX
Table 3
–
11:
Write Registers on I
2
C Subaddress 12
hex
, continued
Register
Address
Function
Name
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MSP34X2G | 制造商:MICRONAS 制造商全稱:MICRONAS 功能描述:Multistandard Sound Processor Family with Dolby Surround Pro Logic |
| MSP34X5G | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MSP 34x5G Multistandard Sound Processor Family |
| MSP34X7G | 制造商:MICRONAS 制造商全稱:MICRONAS 功能描述:Multistandard Sound Processor Family |
| MSP3B10000FS14E3 | 功能描述:線繞電阻器 - SMD MSP 3 B 1K 1% BA100 e3 RoHS:否 制造商:Ohmite 電阻:4.99 Ohms 容差:1 % 功率額定值:2 W 外殼代碼 - in:4023 外殼代碼 - mm:10357 溫度系數(shù):50 PPM / C 系列:RW2 工作溫度范圍:- 55 C to + 125 C 封裝:Bulk |
| MSP3B10000JS14E3 | 功能描述:線繞電阻器 - SMD MSP 3 B 1K 5% BA100 e3 RoHS:否 制造商:Ohmite 電阻:4.99 Ohms 容差:1 % 功率額定值:2 W 外殼代碼 - in:4023 外殼代碼 - mm:10357 溫度系數(shù):50 PPM / C 系列:RW2 工作溫度范圍:- 55 C to + 125 C 封裝:Bulk |
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