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參數(shù)資料
| 型號： | MSP3425G |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | MSP 34x5G Multistandard Sound Processor Family |
| 中文描述： | 中型34x5G多標(biāo)準(zhǔn)聲音處理器系列 |
| 文件頁數(shù)： | 29/98頁 |
| 文件大?。?/td> | 1541K |
| 代理商： | MSP3425G |
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PRELIMINARY DATA SHEET
MSP 34x5G
Micronas
29
LOUDSPEAKER PROCESSING
00 00
hex
Volume Loudspeaker
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 clip-
ping.
The MSP 34x5G 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
prevent severe clipping effects with bass, treble, or equalizer boosts, the inter-
nal 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.
VOL_MAIN
Table 3
–
11:
Write Registers on I
2
C Subaddress 12
hex
, continued
Register
Address
Function
Name
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MSP3435G | MSP 34x5G Multistandard Sound Processor Family |
| MSP3445G | MSP 34x5G Multistandard Sound Processor Family |
| MSP34X5G | MSP 34x5G Multistandard Sound Processor Family |
| MSP3430 | Multistandard Sound Processor Family |
| MSP34X1G | Multistandard Sound Processor Family with Virtual Dolby Surround |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MSP3425GB8V3 | 制造商:MICRONAS 功能描述: |
| MSP3427G | 制造商:MICRONAS 制造商全稱:MICRONAS 功能描述:Multistandard Sound Processor Family |
| MSP3430 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Multistandard Sound Processor Family |
| MSP3430G-A4 | 制造商:Micronas 功能描述: |
| MSP3430G-QA-A4 | 制造商:MICR 功能描述:3430G-QA-A4 |
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