11. The speech recognition apparatus according to claim 7, wherein said changing means assigns a maximum value to weight for a class of the recognition information related to one of the plurality of areas in which the viewpoint stays, and assigns a minimum value to weight for other classes of the recognition information.
11. The speech recognition apparatus according to claim 7, wherein said changing means assigns a maximum value to weight for a class of the recognition information related to one of the plurality of areas in which the viewpoint stays, and assigns a minimum value to weight for other classes of the recognition information. 13. The speech recognition apparatus according to claim 11, wherein, in a case where the viewpoint exits from the area where it has stayed, said changing means gradually decrease the weight for the class of the recognition information related to the area in which the viewpoint had stayed toward the minimum value as time elapses.