I was watching a YouTuber I watch regularly who shows off and explains both old and new audio and video technology. Mostly vintage though. It got me thinking about when I was a kid watching movies on vhs. Then I started wondering how did they make millions of copies of a movie for home release? I tried googling it, but all I found were old forums where it was explained in very technical terms that i couldn’t wrap my head around. How are vhs tapes duplicated en mass for home release?
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According to the first video I found on YouTube they make a super high quality master tape then they just copy it over and over on top a long single strand of tape at over 300x the speed at which it would normally play back. Then they cut that single strand into the exact length of the program and stick it inside a cassette.
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