Simsubbing
Simultaneous substitution (also known as simsubbing or signal substitution) is a practice mandated by the Canadian Radio-television and Telecommunications Commission (CRTC) requiring broadcast distribution undertakings (BDUs) 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 (typically one that is affiliated with a U.S. commercial television network such as ABC, CBS, NBC, and Fox), when the two stations are broadcasting identical programming simultaneously. The CRTC first introduced the policy in 1972, and it is sometimes erroneously called "simulcasting", the name of a practice different from simultaneous substitution in that there is no signal replacement. According to the CRTC, the practice of simultaneous substitution is necessary "to protect the rights of broadcasters, to enable television stations to draw enough advertising revenue and to keep advertising money in the Canadia ...
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Simultaneous Substitution Sample
Simultaneity may refer to: * Relativity of simultaneity, a concept in special relativity. * Simultaneity (music), more than one complete musical texture occurring at the same time, rather than in succession * Simultaneity, a concept in Endogeneity (econometrics), Endogeneity See also

*Non-simultaneity *Diversity factor, or simultaneity factor *Time Structured Mapping {{disambiguation ...
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