A voice and musical tone coding apparatus is provided that can perform high-quality coding by executing vector quantization taking the characteristics of human hearing into consideration. The invention also relates to a hardener composition for gluing systems of the amino resin type comprising, a polymer prepared from one or more ethylenically unsaturated monomers, said polymer containing post-crosslinking groups, a carboxylic acid and a polyvinyl alcohol and the use thereof for formulating an adhesive system. A plurality of educational cards correspond with each of the female dolls. In one embodiment, the body terminal is a fine adjust, and an input attenuator is used for a coarse adjust. The control computer 7 receives a result of the treatment performed by the processing apparatus 3 to be calibrated, and calibrates the control data stored in the control computer 7 based on the treatment result.