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History - 1920s?

The Washington Post says: "The birth date and birthplace of the VCR depend on how far back you want to look. Video recording technology itself dates to the early 1920s, but the company Ampex is credited with developing the first commercially viable videotape recorder in 1956. The machine was bulky, expensive and designed primarily for professional broadcasters." The article ought to have some reference to what video technology was possible in the 1920s. Presumably, since magnetic tape was not invented, it must have used a disk system? 2.31.164.0 (talk) 15:30, 20 June 2021 (UTC)[reply]

Maybe you did not notice the link to History of television at the top of the History section here? ~Kvng (talk) 13:02, 23 June 2021 (UTC)[reply]

Because This Is My First Life 41.116.173.6 (talk) 18:29, 7 July 2023 (UTC)[reply]

Semi-protected edit request on 18 July 2021

This edit request has been answered. Set the |answered= or |ans= parameter to no to reactivate your request.

'One of the first tape recorder' under 'Analog video' should have an 's' appended to it. 2A02:C7F:9E3B:CD00:C135:2AF3:755F:A23D (talk) 07:56, 18 July 2021 (UTC)[reply]

Done—J. M. (talk) 14:42, 18 July 2021 (UTC)[reply]

Hazirahshaari 2405:3800:82F:AA97:0:0:0:1 (talk) 07:59, 10 November 2023 (UTC)[reply]

Why there is no cd in optical storage section

There is no mention of cd in recording section. 171.61.50.214 (talk) 11:22, 27 August 2023 (UTC)[reply]

I have added a link to Video CD. ~Kvng (talk) 14:17, 30 August 2023 (UTC)[reply]

Akash mahata — Preceding unsigned comment added by 47.11.254.80 (talk) 09:14, 5 October 2023 (UTC)[reply]

"Line (video)" listed at Redirects for discussion

The redirect Line (video) has been listed at redirects for discussion to determine whether its use and function meets the redirect guidelines. Readers of this page are welcome to comment on this redirect at Wikipedia:Redirects for discussion/Log/2023 November 29 § Line (video) until a consensus is reached. Steel1943 (talk) 18:12, 29 November 2023 (UTC)[reply]

Unnecessary spaced

What’s up with words beginning with 2 space bar clicks? Can we remove that? I don’t think it’s needed Very different name (talk) 11:10, 12 March 2024 (UTC)[reply]

Electromagnetic waves

The history section states that video is encoded using electromagnetic waves, with a link to electromagnetic radiation. This is not true in most cases as electromagnetic radiation is basically radio. Video transmitted by cables is encoded electronically. Video recorded on tape is encoded magnetically in magnetic particles. Early video was even recorded on film (Scophony), so the encoding had nothing to do with electromagnetism. Baird's mechanical TV system encoded the images mechanically, turning them into an electrical signal which would have then modulated a radio transmitter for transmission as electromagnetic radiation.

Video can be encoded in many ways but the one common factor is that the images are first turned into electronic signals, not electromagnetic waves (radio etc.), whether analogue or digital.

I have therefore changed the statement.

Lkingscott (talk) 07:56, 13 April 2024 (UTC)[reply]