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VHS generation loss

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Uploaded by on Oct 12, 2008

What happens if you make a copy of a copy of a copy (and so on) of a VHS tape? This experiment shows how the quality degrades with every generation.

The copying was done using two PAL VCRs in SP mode.

(The video is Fading like a flower by Roxette)

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Science & Technology

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Standard YouTube License

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Uploader Comments (m1cke1983)

  • I saw a demonstration like this on TV long ago, but they had to point a camera at a TV screen (back then, the bad sync would play havoc with the broadcast equipment). Nice to see a demonstration like this with direct feed video. Did you use a time base corrector to stop the picture rolling?

  • @Tomsonic41 No, I suppose the VCRs have a built-in time base corrector of some kind, but I didn't use any external equipment. Only two VCRs connected with a SCART cable.

  • Oddly fascinating...how much did you hate Roxette by the time you were done with this?

  • @AMisplacedBoy Haha, I really like Roxette, even after this little experiment :)

  • the interesting thing for me is that the sound quality has a sharp drop after the first dub, and then it seems to only gradually degrade after that

  • @veggiet2009 Yep, the reason for this is that only one of the VCRs are NICAM (stereo). After the first copy, the sound is mono.

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  • Copyright protection, the old fashioned way.

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All Comments (146)

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  • 5:54 i seen nipple.

  • @Tomsonic41 yea well thats most caused by scanlines but a lcd demastarion works perfact same thing happend with the highscore page for nes in nintendo power

  • Switching from 23 generation to first it's like press ULTRA HD button :)

  • you wouldn't believe how much I enjoyed this. I love video, it's why I do for the living, although I work with digital, analog vhs and tapes have a nostalgic feeling that can't be compared

  • pretty interesting experiment :)

  • 23rd generation.....the RING!

  • @shaun991000 It's the chorus to the Roxette song "Fading Like a Flower".

  • I... Feel... H.A.P.P.Y....

    You cannot grasp the true form of Giygas' attack!

  • YO dawg i herd u liek vhs tapes so i put a vhs tape within a vhs tape so you can vhs while you vhs

  • @turtlliwdnifuoyehthr You've read too many creepypastas.

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