Multiplexing apparatus and method, image output apparatus and method, and recording medium

摘要

A multiplexing apparatus for multiplexing a first stream and a second stream for output, comprising: a first input unit for being supplied with a first material; a second input unit for being supplied with a second material; a first selecting unit for selecting one of the first material and the second material as material of the first stream; a second selecting unit for selecting the other of the first material and the second material as material of the second stream; a control unit for controlling the first selecting unit and the second selecting unit so as to select the second material in place of the first material as the material of the first stream and select the first material as the material of the second stream during a predetermined period of time; and a multiplexing unit for multiplexing the first stream and the second stream.