參數(shù)資料
型號: MSP3445G
廠商: Electronic Theatre Controls, Inc.
英文描述: MSP 34x5G Multistandard Sound Processor Family
中文描述: 中型34x5G多標準聲音處理器系列
文件頁數(shù): 32/98頁
文件大?。?/td> 1541K
代理商: MSP3445G
MSP 34x5G
PRELIMINARY DATA SHEET
32
Micronas
00 04
hex
Loudness Loudspeaker Channel
bit[15:8]
Loudness Gain
44
hex
40
hex
...
04
hex
03
hex
02
hex
01
hex
00
hex
Loudness Mode
00
hex
04
hex
+
17 dB
+
16 dB
+
1 dB
+
0.75 dB
+
0.5 dB
+
0.25 dB
0 dB
bit[7:0]
normal (constant volume at 1kHz)
Super Bass (constant volume at 2kHz)
Higher resolution of Loudness Gain is possible: An LSB step results in a gain
step of about 1/4 dB.
Loudness increases the volume of low and high frequency signals, while keep-
ing the amplitude of the reference frequency constant. The intended loudness
has to be set according to the actual volume setting. Because loudness intro-
duces gain, it is not recommended to set loudness to a value that, in conjunction
with volume, would result in an overall positive gain.
The corner frequency for bass amplification can be set to two different values. In
Super Bass mode, the corner frequency is shifted up. The point of constant vol-
ume is shifted from 1 kHz to 2 kHz.
LOUD_MAIN
Table 3
11:
Write Registers on I
2
C Subaddress 12
hex
, continued
Register
Address
Function
Name
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