Noise reduction

 (Home) > Settings > All settings > Picture > Expert mode settings > Noise reduction

Select Maximum, Medium, Minimum to set the level for removing the noise in video content.
Noise is mostly visible as small moving dots in on-screen picture.

MPEG Artefact Reduction

 (Home) > Settings > All settings > Picture > Expert mode settings > MPEG Artefact Reduction

Select Maximum, Medium, Minimum to have different degress of smoothing the artefects in digital video content.
MPEG artefacts are mostly visible as small blocks or jagged edges in on-screen images.