MAS3587F Micronas, MAS3587F Datasheet - Page 49

• Manufacturer Part Number: MAS3587F
• Description: MPEG Layer 3 Audio Encoder/Decoder
• Manufacturer: Micronas

ADVANCE INFORMATION
3.4.4. Basic MDB Configuration
With the parameters described in Table 3–12, the Mic-
ronas Dynamic Bass system (MDB) can be custom-
ized to create different bass effects as well as to fit the
MDB to various loudspeaker characteristics. The easi-
est way to find a good set of parameter is by selecting
one of the settings below, listening to music with strong
bass content and adjusting the MDB parameters:
– MDB_STR: Increase/decrease the strength of the
– MDB_HAR: Increase/decrease the content of low
– MDB_FC: Shift the MDB effect to lower/higher fre-
– MDB_SHAPE: Widen/narrow MDB frequency range
Table 3–14: Suggested MDB settings
Micronas
Function
MDB off
Low end headphones, medium
effect
MDB effect
frequency harmonics
quencies
(which results in a softer/harder bass sound), turn
on/off the MDB
MDB_STR
(22
xxxx
5000
hex
hex
hex
)
MDB_HAR
(23
xxxx
3000
Fig. 3–4: Micronas Dynamic Bass (MDB): Bass boost
in relation to input signal leve
hex
hex
hex
)
MDB_FC MDB_SHAPE
MDB_FC
(24
xxxx
0600
hex
hex
hex
)
Frequency
MAS 3587F
MDB_SHAPE
(21
0000
0902
hex
hex
hex
)
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