參數(shù)資料
型號: AK4633
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16-Bit Mono CODEC with ALC & MIC/SPK-AMP
中文描述: 16位單聲道編解碼器ALC的
文件頁數(shù): 48/82頁
文件大?。?/td> 688K
代理商: AK4633
ASAHI KASEI
[AK4633]
MS0447-E-03
2006/04
- 48 -
5. Example of the ALC Operation for Playback Operation
Table 33 shows the examples of the ALC setting for playback operation.
fs=8kHz
Operation
4.1dBFS
Enable
16ms
fs=16kHz
Operation
4.1dBFS
Enable
16ms
Register Name
Comment
Data
01
0
00
Data
01
0
01
LMTH
ZELM
ZTM1-0
Limiter detection Level
Limiter zero crossing detection
Zero crossing timeout period
Recovery waiting period
*WTM1-0 bits should be the same data
as ZTM1-0 bits
Maximum gain at recovery operation
Gain of IVOL
Limiter ATT step
Recovery GAIN step
ALC enable
Speed of Fast Recovery
Table 33. Example of the ALC Setting (Playback)
WTM1-0
00
16ms
01
16ms
OREF5-0
OVOL7-0
LMAT1-0
RGAIN1-0
ALC
FRSL1-0
28
91
11
00
1
00
+6dB
0dB
1/2/4/8 step
1 step
Enable
4 times
28
91
11
00
1
00
+6dB
0dB
1/2/4/8 step
1 step
Enable
4 times
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