Re:Valproate reopens critical-period learning of absolute pi...
by klodolph on Monday August 10, 2020 @07:38PM
(#24115517)
No, pianos are not tuned in 2:1 ratios.
From the article you cited:
> This list of frequencies is for a theoretically ideal piano. On an actual piano the ratio between semitones is slightly larger...
For more details, see:
https://en.wikipedia.org/wiki/Stretched_tuning
Or,
https://en.wikipedia.org/wiki/Piano_acoustics#The_Railsback_...
https://en.m.wikipedia.org/wiki/Piano_key_frequencies