Simultaneous substitution

Simultaneous substitution (also known as simsubbing or signal substitution) is a practice mandated by the Canadian Radio-television and Telecommunications Commission (CRTC) requiring cable television, direct broadcast satellite (DBS), IPTV and MMDS television distribution companies in Canada to distribute the signal of a local or regional over-the-air station in place of the signal of a foreign or non-local television station, when the two stations are broadcasting identical programming simultaneously.

单词	Simultaneous substitution
释义	Simultaneous substitution 英语百科 Simultaneous substitution Simultaneous substitution (also known as simsubbing or signal substitution) is a practice mandated by the Canadian Radio-television and Telecommunications Commission (CRTC) requiring cable television, direct broadcast satellite (DBS), IPTV and MMDS television distribution companies in Canada to distribute the signal of a local or regional over-the-air station in place of the signal of a foreign or non-local television station, when the two stations are broadcasting identical programming simultaneously.
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