I guess this reveals how fucking dumb I am. I can’t get the math to make sense in my head. If you watch at 1.25 speed, logically (or illogically I guess) I assume that this makes the video 1/4 shorter, but that isn’t correct.
In short, could someone reexplain how fractions and decimals work? Lol
Edit: thank you all, I understand now. You helped me reorient my thinking.
In: 8653
Take the listening speed, divided by the normal speed (1), and invert it. Then subtract that value from one, or:
Change in time = 1 – (1/speed)
So 1.25 speed is divided by 1, and the inverse is 1/1.25
I don’t like decimals in my fractions, so multiply top and bottom by 4, and you get 4/5. This value represents the amount left to watch at 1.25 speed.
Subtract that from 1, you get 1/5, or 20% faster.
I wondered the same thing while listening to audiobooks while driving, and it bothered me so much I kept having to pause my book until I gave up but I eventually was able to figure this out.
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