Comments by "Neil Forbes" (@neilforbes416) on "Laserdisc's Failure: What Went Wrong" video.

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  7. One correction: Known STATION at known time! A channel is nothing more than a chunk of spectrum space(7Mhz for PAL-system colour broadcasting, 6Mhz for NTSC in the analogue days - we'll ignore SECAM as it was a rubbish system). Without the STATION to broadcast its programme content across that range of bandwidth, you would get only static hash, same as when the station closed down for the night, as they did in the 1970s. A channel produces nothing, employs no-one, earns no revenue, pays no salaries, it can't, because a channel is ethereal. A channel's only physical representation is in the circuitry of the tuner used to select it. As you turn that knob(in those old days) your set goes clunk-clunk-clunk through 13, 15 or maybe 20 VHF channels but there may only be signals on three, they'd be the NBC, CBS or ABC affiliate for your area, or if your in a small town, you'd have two stations, each independent and carrying their pick of content from the three major networks plus some local shows produced in their own studios. The remaining channels will be blank unless a stray signal comes a-wafting its way past your antenna and it might be a distant independent or a network affiliate that you might sniff it up on Ch.6. Put it this way, if you're in an art gallery and see a painting that grabs your attention, do you give credit to a] the artist who worked and sweated blood to create it, or b] the canvas on which it was painted, ignoring the artist's efforts? Crediting the channel for TV shows is like crediting the canvas for the painting.
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