參數(shù)資料
型號(hào)： AK4671EG
廠商： Asahi Kasei Microsystems Co.,Ltd
元件分類： Codec
英文描述： Stereo CODEC with MIC/RCV/HP-AMP
中文描述： 立體聲編解碼器麥克風(fēng)/垃圾車/惠普腺苷
文件頁數(shù)： 73/164頁
文件大?。?/td> 1792K
代理商： AK4671EG
[AK4671]
MS0666-E-00
2007/10
- 73 -
■
5-Band Equalizer
The AK4671 has 5-Band Equalizer before DAC of Stereo CODEC.
The center frequencies and cut/boost amount are the followings.
Center frequency: 100Hz, 250Hz, 1kHz, 3.5kHz and 10kHz (
Note 62
,
Note 63
,
Note 64
)
Cut/Boost amount: –10.5dB
～
+12dB, 1.5dB step
Note 62. These are the frequencies when the sampling frequency is 44.1kHz. These frequencies are proportional to the
sampling frequency.
Note 63. 100Hz is not center frequency but the frequency component lower than 100Hz is controlled.
Note 64. 10kHz is not center frequency but the frequency component higher than 10kHz is controlled.
EQ bit controls ON/OFF of this Equalizer and these Boost amount are set by EQA3-0, EQB3-0, EQC3-0, EQD3-0 and
EQE3-0 bits, respectively, as shown in
Table 35
.
EQA3-0: Select the boost level of 100Hz
EQB3-0: Select the boost level of 250Hz
EQC3-0: Select the boost level of 1kHz
EQD3-0: Select the boost level of 3.5kHz
EQE3-0: Select the boost level of 10kHz
EQx3-0
Boost amount
0H
+12.0dB
1H
+10.5dB
2H
+9.0dB
3H
+7.5dB
:
8H
:
DH
7.5dB
EH
9.0dB
FH
10.5dB
Table 35. Boost amount of 5-Band Equalizer
(default)
:
0dB
:
相關(guān)PDF資料
PDF描述
AK4673 Stereo CODEC with MIC/HP-AMP and Touch Screen Controller
AK4673EG Stereo CODEC with MIC/HP-AMP and Touch Screen Controller
AK4682 Multi-channel CODEC with 2Vrms Stereo Selector
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AK4683_07 Asynchronous Multi-Channel Audio CODEC with DIR/T
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK4673 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/HP-AMP and Touch Screen Controller
AK4673EG 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/HP-AMP and Touch Screen Controller
AK4675 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/RCV/HP/SPK-AMP
AK4675EG 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/RCV/HP/SPK-AMP
AK4682 制造商:AKM 制造商全稱:AKM 功能描述:Multi-channel CODEC with 2Vrms Stereo Selector
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