參數(shù)資料
型號: DPL4519
廠商: Electronic Theatre Controls, Inc.
英文描述: Sound Processor for Digital and Analog Surround Systems
中文描述: 聲音處理器的數(shù)字和模擬環(huán)繞聲系統(tǒng)
文件頁數(shù): 24/64頁
文件大?。?/td> 1073K
代理商: DPL4519
DPL 4519G
PRELIMINARY DATA SHEET
24
Micronas
MAIN AND AUX PROCESSING
00 00
hex
00 06
hex
Volume Main
Volume Aux
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
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[7:5]
bit[4:0]
not used
must be set to 0
With large scale input signals, positive volume settings may lead to signal clipping.
The DPL 4519G Main and Aux Volume function is divided into a digital and an
analog section. With Fast Mute, volume is reduced to mute position 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.
VOL_MAIN
VOL_AUX
Table 3–9:
Write Registers on I
2
C Subaddress 12
hex
, continued
Register
Address
Function
Name
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