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| 型號(hào)： | KS9284 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 元件分類： | 數(shù)字信號(hào)處理 |
| 英文描述： | Digital Signal Processor(數(shù)字信號(hào)處理器) |
| 中文描述： | 數(shù)字信號(hào)處理器（數(shù)字信號(hào)處理器） |
| 文件頁(yè)數(shù)： | 18/25頁(yè) |
| 文件大?。?/td> | 112K |
| 代理商： | KS9284 |
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KS9284
DIGITAL SIGNAL PROCESSOR
Table 8 : The monitoring flow for error correction
5. INTERPOLATION / MUTE BLOCK
1) Interpolator
When a burst error occurs on a disc, sometimes the data can’t be corrected even if a ECC process is performed.
The interpolator block revises data by using a C2 pointer outputted through the ECC block.
The data inputted to a data bus is inputted to the left and right channel, respectively, in the order of C2 pointer, lower 8-bit
and upper 8-bit.
A pre-hold method is taken when a C2 pointer is “H” continuously.
In case of the of a single error, an everage interpolation method is carried out with the range of the data before
and after an error happens.
When LRCH signal during one LRCH cycle is “L”, R-CH data is outputted, L-CH data is outputted when the check is “H”.
B = 2
F= E = D : provious datahold
G = F + H
2
Fig 13. Interpolation.
MODE
FLAG5
FLAG4
FLAG3
FLAG2
FLAG1
REMARK
C1 0,1 error
0
1
1
1
0
C1 2 error
0
1
1
1
1
C1 irretrievable error
0
1
1
1
1
C1 0,1,2 error
0
1
1
1
1
Attenuation
C2 0,1,2,3,4 error
1
1
1
0
1
C2 irretrievable error 1
1
1
1
1
0
C2 irretrievable error 2
1
1
1
1
1
C1 point copy 1
A + C
A
B
C
D
E
F
G
H
I
J
C2
pinter
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