A control unit 102 of a digital broadcast receiver 100 finds a motion vector by performing encoding into an MPEG-4 format partially and records the found motion vector into a recording unit 103 as a motion vector stream 147 in parallel with processing to encode program contents into an MPEG-2 format and to record program contents 141 encoded in the MPEG-2 format into the recording unit 103. In a hoselike outer cover, there are support members for holding in position a cable portion extending axially in the outer cover with intermediate space relative to the inside wall of the outer cover. The method includes receiving information regarding the surplus inventory product and an invoice from the vendor or original manufacturer of the product. The post-filter may be formed using a plurality of running average filters arranged in a cascade fashion.