Sony Corporation

Jun Furukawa

Katsuhito Tsujimura

Michio Mita

Kimiyasu Satoh

Takashi Hirasawa

Yasushi Aoyagi

An object of the present invention is to provide a multi-channel transmission system suitable for a digital broadcasting system that broadcasts television programs of many channels. Specifically, a selected one of television programs of a plurality of channels is supplied to an AV adjusting device. At this time, the selected television program is supplied to a monitor to allow recognition of its adjustment state. Since video signals and audio signals of television programs supplied from respective program supplying companies and program producing companies have different characteristics, they need to be adjusted to have common characteristics. Adjusted television programs and unselected television programs are supplied to a multiplexing section via routers.

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Kanagawa, Japan

Jun Furukawa