參數(shù)資料
型號(hào): MSP3430
廠商: Electronic Theatre Controls, Inc.
英文描述: Multistandard Sound Processor Family
中文描述: 多標(biāo)準(zhǔn)聲音處理器系列
文件頁(yè)數(shù): 34/101頁(yè)
文件大小: 752K
代理商: MSP3430
MSP 34x0G
PRELIMINARY DATA SHEET
34
Micronas
00 04
hex
00 33
hex
Loudness Loudspeaker Channel
Loudness Headphone 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 1 kHz)
Super Bass (constant volume at 2 kHz)
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
LOUD_AUX
Table 3
11:
Write Registers on I
2
C Subaddress 12
hex
, continued
Register
Address
Function
Name
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