A method and decoder system for reducing quantization effects or ringing artifacts imposed upon decoded image of hybrid block based coding schemes such as MEPG and H 261. After forming a masking layer on the metal layer, the exposed sides of the dielectric layer are covered with a polymer diffusion barrier. The test subject performs the step motion on the foot switches SW2 and SW3 while sitting. Via the reference table, an application can locate persisted objects stored in the storage device. The movement of the chaise passes the chaise through the bath enclosure side opening.