Sony Corporation

Shusuke Ozawa

Kyohei Koyabu

Hiroaki Seto

Nobuhiro Chiba

Kentaro Kojima

Junya Sato

To achieve a reduction in circuit size without causing output leakage from a frame memory. A frame memory temporarily stores a plurality of input video signals. A plurality of encoders perform compression coding on the video signals read from the frame memory. A control unit controls the operations of writing into and reading from the frame memory. The video signals are written into the frame memory at respective frame frequencies. The video signals are read from the frame memory at a common output frame frequency. The output frame frequency is assumed to be the highest frame frequency or more of the video signals.

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Kanagawa, Japan

Shusuke Ozawa