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- Q5245448 subject Q6288345.
- Q5245448 subject Q7168825.
- Q5245448 subject Q8744897.
- Q5245448 abstract "Dead air is defined as "a period of silence especially during a radio broadcast," which has been extended, in some formal definitions, to include both audio and video signals (and so to this extent, to television as well as radio broadcasts). Hence, generalizing, the term can be understood to refer to any unintended period of silence interrupting any media broadcast, during which no signal, audio or video, is transmitted. Technically, the absence of sound in a radio transmission implies that only an unmodulated carrier wave is being transmitted, for modes that send one, or absence of the transmitting signal altogether for modes that do not.The term is most often used in cases where program material comes to an unexpected halt, either through operator error or for technical reasons. Among professional broadcasters, dead air is considered one of the worst things that can occur. Moreover, having dead air during commercial segments or sponsor announcements can cost networks considerable revenue.As noted, the term "dead air" is also sometimes used in television broadcasting, generally when a television channel has an interruption to its output, resulting in a blank screen or in the case of digital television, a frozen image, until output is restored or an apology message is broadcast. Some television stations also use the related phrases "in black" and "going to black" for transmitting an unmodulated carrier, meaning both a completely black image and a completely silent audio stream are sent; other stations limit the term "in black" to loss of video where audio continues normally, and "dead air" is used for sending an unmodulated carrier signal. However, the terms "dead air" and "in black" are not used when a station is broadcasting no signal whatsoever, even a carrier wave, which is called "going off-the-air."".
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- Q5245448 wikiPageWikiLink Q5245449.
- Q5245448 wikiPageWikiLink Q6288345.
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- Q5245448 wikiPageWikiLink Q7168825.
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- Q5245448 wikiPageWikiLink Q8744897.
- Q5245448 wikiPageWikiLink Q9531.
- Q5245448 comment "Dead air is defined as "a period of silence especially during a radio broadcast," which has been extended, in some formal definitions, to include both audio and video signals (and so to this extent, to television as well as radio broadcasts). Hence, generalizing, the term can be understood to refer to any unintended period of silence interrupting any media broadcast, during which no signal, audio or video, is transmitted.".
- Q5245448 label "Dead air".