參數(shù)資料
型號： 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)： 62/164頁
文件大小： 1792K
代理商： AK4671EG
[AK4671]
MS0666-E-00
2007/10
- 62 -
1.
ADC: Include the Digital Filter (LPF) for ADC as shown in “
FILTER CHRACTERISTICS
”.
2.
DAC: Include the Digital Filter (LPF) for DAC as shown in “
FILTER CHRACTERISTICS
”.
3.
HPF: High Pass Filter. Applicable to use as Wind-Noise Reduction Filter. (See “
Digital Programmable Filter
”.)
4.
LPF: Low Pass Filter (See “
Digital Programmable Filter
”.)
5.
Stereo Separation: Stereo Separation Emphasis Filter & Gain Compensation. (See “
Digital Programmable Filter
”.)
Gain Compensation is composed with EQ0 and Gain blocks. This block adjusts the frequency response after Stereo
Separation Emphasis.
6.
5-Band Notch: Applicable to use as Equalizer or Notch Filter. (See “
Digital Programmable Filter
”.)
7.
ALC: Input Digital Volume with ALC function. (See “
Input Digital Volume
” and “
ALC Operation
”.)
8.
SVOLA: Side Tone Volume at Internal MIC/SPK or External Headset Phone Call. (See “
Side Tone Volume
”.)
9.
5-Band EQ: Equalizer for playback path. (See “
5-band Equalizer
”.)
10.
DATT: Digital Volume for playback path. (See “
Digital Output Volume
”.)
11.
SMUTE: Soft mute. (See “
Soft Mute
”.)
12.
DATT-B: Digital Volume for Recording of Received Voice. (See “
Digital Volume for Recording of Received
Voice
”)
13.
DATT-C: Digital Volume of Received Voice. (See “
Digital Volume for Received Voice
”)
14.
SVOLA: Side Tone Volume at B/T Headset Phone Call. (See “
Side Tone Volume for B/T Phone Call
”.)
Mode
PMADL
PMADR
PMDAL
Recording Mode
1
1
1
0
0
1
Recording &
1
1
Playback Mode
1
0
0
1
Playback Mode
0
0
Table 22. Recode/Playback Mode
PMDAR
0
0
0
1
1
1
1
PFSEL
0
0
0
0
0
0
1
Figure
Figure 58
Figure 59
Figure 60
0
0
0
1
1
1
1
2nd Order
HPF
ADC
5 Band
Notch
ALC
(Volume)
1st Order
LPF
Stereo
Separation
Gain
Compensation
Figure 58. Path at Recording Mode
DAC
2nd Order
HPF
ADC
5 Band
Notch
ALC
(Volume)
SMUTE
DEM
1st Order
LPF
Stereo
Separation
Gain
Compensation
DATT
5 Band
EQ
Figure 59. Path at Recording & Playback Mode
DAC
1st Order
HPF
ADC
5 Band
EQ
ALC
(Volume)
1st Order
LPF
Stereo
Separation
Gain
Compensation
1st Order
HPF
“0” Data
SMUTE
DEM
DATT
5 Band
EQ
Figure 60. Path at Playback Mode
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PDF描述
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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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