ADV8003 Hardware Manual
Rev. B, August 2013
168
Function
di_mnr_level[1:0]
Description
00
N/A
01
Low
10
Middle
11
High
To get better image performance, register
can be used to set the MNR level.
di_mnr_th_min[3:0]
, Primary VSP Map 2,
Address 0xE917[7:4]
This signal is used to set the strength of the mosquito noise reduction (MNR). The larger the value, the stronger the MNR noise
reduction.
Function
di_mnr_th_min[3:0]
Description
0010
Normal strength MNR
0110
High strength MNR
3.2.3.9.
Block Noise Reduction
The block noise reduction (BNR) algorithm removes ‘blocky’ artifacts introduced into highly compressed video such as MPEG2 encoded
video. For the best results, this function should be enabled when the input video is not scaled. The BNR has excellent performance for
high level block artifact patterns, and it has smart block position detection.
BNR supports both interlaced and progressive input. It can be enabled or disabled using
. The bnr level can be controlled by
setting
di_bnr_global_strength_gain[3:0]
. The corresponding value for different reduction level is given in
Table 28: Corresponding Value for Block Noise Reduction Level
Register Name
High
Middle
Low
9
7
7
0
1
1
96
64
32
di_bnr_global_strength_gain[3:0]
12
8
7
6
5
5
6
5
5
di_bnr_enable
, Primary VSP Map,
Address 0xE84C[6]
This bit is used to enable block noise reduction (BNR).
Function
di_bnr_enable
Description
0
Disable BNR
1
Enable BNR
di_bnr_edge_offset[7:0]
, Primary VSP Map 2,
Address 0xE98D[7:0]
This signal is used to configure the BNR processing.
Summary of Contents for ADV8003
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