AK4955 Datasheet, PDF (41/117 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with MIC/SPK/Cap-less VIDEO-AMP/ LDO & DSP

[AK4955]
ADC
DAC
1st Order
HPF1
1st Order
HPF3
1st Order
LPF
Stereo
Separation
Gain
Compensation
4 Band
EQ
DEM
Mono
SMUTE
DVOL
Figure 37. The Path in Recording Mode 2
ALC
(Volume)
1 Band
EQ
ADC
1st Order
HPF1
SMUTE DVOL
1 Band
EQ
ALC
(Volume)
4 Band
EQ
Gain
Compensation
Stereo
Separation
1st Order
LPF
1st Order
HPF3
DAC
DEM
Mono
Figure 38. The Path in Playback Mode 2
ADC
1st Order
HPF1
DAC
DEM
Mono
SMUTE
DVOL
Figure 39. The Path in Recording Mode 3 & Playback Mode 3
ADC
1st Order
HPF1
DSP
1st Order
HPF3
1st Order
LPF
Stereo
Separation
Gain
Compensation
4 Band
EQ
ALC
(Volume)
1 Band
EQ
DSP
DAC
DEM
Mono
SMUTE
DVOL
Figure 40. The Path in Loopback Mode 1
ADC
1st Order
HPF1
1st Order
HPF3
1st Order
LPF
Stereo
Separation
Gain
Compensation
4 Band
EQ
ALC
(Volume)
1 Band
EQ
DAC
DEM
Mono
SMUTE
DVOL
Figure 41. The Path in Loopback Mode 2
MS1343-E-00
- 41 -
2011/12