Simulcast for TV Tuner Radio

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For the Canadian regulation, see Simultaneous substitution.
Simulcast is a portmanteau of "simultaneous broadcast", and refers to programs or events broadcast across more than one medium, or more than one service on the same medium, at the same time. For example, Virgin Radio is simulcast on both AM and on satellite radio, and the BBC's Prom concerts are often simulcast on both BBC Radio 3 and BBC Television. Another application is the transmission of the original-language soundtrack of movies or TV series over local or Internet radio, with the television broadcast having been dubbed into a local language.
Simulcasting to provide stereo sound for TV broadcasts
Before stereo TV sound transmission was possible, simulcasting on TV and Radio was a method of effectively transmitting "stereo" sound to music TV broadcasts. The first such transmission was in 1974, when the BBC broadcast a recording of Van Morrison's London Rainbow Concert simultaneously on BBC2 TV and Radio 2: see It's Too Late To Stop Now.
Similarly, in the 1980s, before Multichannel Television Sound, or home theater was commonplace in American households, broadcasters would air a high fidelity version of a television program's audio portion over FM stereo simultaneous with the television broadcast. PBS stations were the most likely, especially when airing a live concert. It was also a way of allowing MTV and similar music channels to run stereo sound through the cable-TV network. This method required a stereo FM transmitter modulating MTV's stereo soundtrack through the cable-TV network and customers connecting their FM receiver's antenna input to the cable-TV outlet. Then they would tune the FM receiver to the specified frequency that would be published in documentation supplied by the cable-TV provider.
The most notable application for simulcasting in this context was the Live Aid telethon concert that was broadcast around the world in July 13, 1985. Most destinations where this concert was broadcast had the concert simulcast by at least one TV network and at least one of the local FM stations.
Most stereo-capable video recorders made through the 1980s and early 1990s had a "simulcast" recording mode where they recorded video signals from the built-in TV tuner and audio signals from the VCR's audio line-in connectors. This was to allow one to connect a stereo FM tuner that is tuned to the simulcast frequency to the VCR's audio input in order to record the stereo sound of a TV program that would otherwise be recorded in mono. The function was primarily necessary with stereo VCRs that didn't have a stereo TV tuner or were operated in areas where stereo TV broadcasting wasn't in place. This was typically selected through the user setting the input selector to "Simulcast" or "Radio" mode or, in the case of some JVC units, the user setting another "audio input" switch from "TV" or "Tuner" to "Line".
Other uses
In America, simulcast most often refers to the practice of offering the same programming on an FM and AM station owned by the same entity, in order to cut costs. With the advent of solid state AM transmitters and computers, it has become very easy for AM stations to broadcast a different format without additional cost; therefore, simulcast between FM/AM combos is rarely heard today. Normally, AM stations broadcast some type of talk format; depending on the population, the format may be ethnic. During Afrikaner rule in South Africa, many programs were dubbed in Afrikaans. The English soundtrack was available on Radio 2000. This could be selected using a button labeled simulcast on many televisions manufactured before 1995.
Radio programs have been simulcast on television since the invention thereof; however, as of recent, perhaps the most visible example of radio shows on television is The Howard Stern Show, which currently airs on SIRIUS Satellite Radio as well as Howard TV. Another prominent radio show that is simulcast on television is Imus in the Morning, which airs on RFD-TV in addition to ABC Radio Networks.
In another case, popular programs will be aired simultaneously on different services in adjacent countries, such as The Simpsons, airing Sunday evenings at 8:00 p.m. (Eastern and Pacific times) on both Fox in the United States and Global in Canada. "Simulcast" is often a colloquial term for the related Canadian practice of simultaneous substitution (simsub).
In sports, simulcasts are when a single announcer broadcasts play-by-play coverage both over television and radio. The practice was common in the early years of television, but since the 1980s, most teams have used a separate team for television and for radio.
As all NFL television broadcasts are done by the national networks or via cable, there are no regular TV-to-radio football simulcasts. However, NFL rules require that games airing on cable and satellite networks (ESPN, NFL Network) are...(and so on) To get More information , you can visit some products about hdmi distribution amplifier, digital camera mp4, discount computer accessories, digital tuner radios, uhf radios, boombox cd mp3 player, 10gb mp3 player, 2 gb mp4 player, wall dvd players, ceiling mounted speakers, . The 1.8" 4GB/8GB MP4 player YM-P5A products should be show more here!