COMMELL MP-840 - Manual (Page 19)

MP-840
18
1.7.3 < Pre-Filter >
1) Choose Encoding Path. (Possible to set per each path)
2) [Pre-Filter Enable]: Activate filter function of chosen Path.
3) [Crominance Enable] : It activate the noise reduction function in the
chrominance level.
4) [Apply Automatically] : If you check [Apply Automatically] clause, the filter
function is activated automatically when the noise-image put into
5) [Pre-Filter Type] : It sets kinds of filter.
- HV : It has the lowest level of noise-reduction function. The improving effect
of compression rate is very small and the picture quality is maintained as the
original one.
- HS : It has lower level of noise-reduction function. The improving effect of
compression rate is is small and the picture quality is maintained as nearly
as the original one.
- CX : It has middle level of noise-reduction function. The improving effect of
compression rate is better. The picture quality is little lower and the
resolution in the border of the original one become dim.
- AS : It has high level of noise-reduction function. The improving effect of
compression rate is best. The picture quality is lower and the resolution in
the border of the original one become dimmer.