MSP3411G Micronas, MSP3411G Datasheet - Page 37

• Manufacturer Part Number: MSP3411G
• Description: (MSP34x1G) Multistandard Sound Processor Family
• Manufacturer: Micronas

PRELIMINARY DATA SHEET
Table 3–11: Write Registers on I
MICRONAS INTERMETALL
Register
Address
00 04
00 33
hex
hex
Function
Loudness Loudspeaker Channel
Loudness Headphone Channel
bit [15:8] Loudness Gain
bit [7:0]
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.
44
40
...
04
00
Loudness Mode
00
04
hex
hex
hex
hex
hex
hex
2
C Subaddress 12
normal (constant volume at 1 kHz)
Super Bass (constant volume at 2 kHz)
17 dB
16 dB
1 dB
0 dB
hex
, continued
MSP 34x1G
Name
LOUD_MAIN
LOUD_AUX
37