BU94601KV_12 Datasheet, PDF (46/70 Pages) Rohm – AAC/WMA/MP3 +SD Memory Card + iPod

BU94601KV BU94603KV BU94604BKV
Datasheet
22.3 Equalizer
You can select 5 types of equalizer and 2 types of BassBoost for the audio line output using a command (see
Table 7). Combination of equalizer and BassBoost1 is available.
Clipping may occur by the combination of volume and equalizer setting.
Equalizer setting is enabled even when line output is not selected. No change of sound quality by the equalizer
is found in digital outputs.
Figures 28 to 33 show the frequency characteristics of each filter.
POPS
20
15
POPS(0x52, 0x01)
POPS+BassBoost1(0x52, 0x09)
10
5
0
-5
-10
10
100
1000
10000
100000
Freq.(Hz)
Figure 28 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 29 JAZZ Frequency Characteristics
100000
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TSZ02201-0V2V0E600010-1-2
2012.07.12 Rev.001