noun
split-location broadcast; dual-studio broadcast
A broadcast format where participants are in different physical locations (e.g., different studios) and speak via a link. Used in radio and television.
今日の番組は東京と大阪の二元放送です。
Today's program is a split-location broadcast between Tokyo and Osaka.
中継 is a general term for relaying or live coverage, while 二元放送 specifically refers to a broadcast with participants in two separate locations.
Compound of 二元 (two elements, duality) and 放送 (broadcast). The term describes a broadcast originating from two separate points.