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MSP34X2G Datasheet(PDF) 39 Page - Micronas

Part # MSP34X2G
Description  Multistandard Sound Processor Family with Dolby Surround Pro Logic
PDF  104 Pages
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Manufacturer  MICRONAS [Micronas]
Direct Link  http://www.micronas.com
Logo MICRONAS - Micronas

MSP34X2G Datasheet(HTML) 39 Page - Micronas

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PRELIMINARY DATA SHEET
MSP 34x2G
Micronas
39
00 04hex
00 33hex
Loudness Loudspeaker Channel
Loudness Headphone Channel
bit[15:8]
Loudness Gain
44hex
+17 dB
40hex
+16 dB
...
04hex
+1dB
00hex
0dB
bit[7:0]
Loudness Mode
00hex
normal (constant volume at 1 kHz)
04hex
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 1-kHz reference frequency constant. The intended loud-
ness has to be set according to the actual volume setting. Because loudness
introduces gain, it is not recommended to set loudness to a value that, in con-
junction 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 I2C Subaddress 12hex, continued
Register
Address
Function
Name



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