BU94501AMUV Datasheet, PDF (17/73 Pages) Rohm – AAC/WMA/MP3 +SD Memory Card + iPod

BU9450xAxxx series
Datasheet
5. Equalizers
Selectable audio line output from 5 types of equalizers and 2 types of bus boosts, using commands.
You can use a combination of an equalizer and bus boost 1.
Even when line output is not selected, the equalizer setting is valid. However, for digital output, the equalizer cannot
change the sound quality.
Figure 9. - Figure 14.show frequency characteristics of each filter.
Clipping may occur by the combination of volume and equalizer setting.
POPS
20
15
POPS(0x52, 0x01)
POPS+BassBoost1(0x52, 0x09)
10
5
0
-5
-10
10
100
1000
10000
100000
Freq.(Hz)
Figure 9. POPS Frequency Characteristics
20
15
10
5
0
-5
-10
10
JAZZ
JAZZ(0x52, 0x02)
JAZZ+BassBoost1(0x52, 0x0A)
100
1000
10000
Freq.(Hz)
Figure 10. JAZZ Frequency Characteristics
100000
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TSZ02201-0V2V0E600070-1-2
2012.12.10 Rev.003