Odor-inhibiting materials comprising litter containing an odor-inhibiting quantity of western juniper. The 2,5-dihydrofuran can be reduced to tetrahydrofuran. The diode-connected P-channel device provides enough forward leakage in the subthreshold region to keep Ioz through the upper output driver to a very low level. The CPU dispersively executes frame thinning-out processing on the moving image at the number of times corresponding to the calculated difference value.