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THE VIDEO SHELF · piano tuning mathematics

Why It's Impossible to Tune a Piano

A minutephysics video explaining why a piano cannot be perfectly tuned, comparing equal temperament with just intonation and the math of harmonics.

Why HN readers recommended it

Commenters link it as a quick, clear explanation of why twelve notes only approximate simple ratios.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel
minutephysics
Topic
piano tuning mathematics
Format
explainer
Level
general
HN recommenders in dataset
2
HN mentions in dataset
4
Recommendation years in dataset
2015–2026

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

  • A related video on the numbers behind piano music, on why it is mathematically impossible to perfectly tune a piano : [VIDEO]

    ramanan on Hacker News · 2015-11
    In Physics of the Piano (2012) [pdf]
  • minutephysics had a nice video about the mathematics that go behind piano tuning too. "Why It's Impossible to Tune a Piano" [VIDEO]

    ramanan on Hacker News · 2019-03
    In Piano Tuning
  • I can help with a couple of these. 12 notes is a kludge, because powers of 2^(1/12) well approximate simple ratios. These simple ratios (such as 3:2) sound good. I like this video for explanation: [VIDEO] Also, the reason that the letters are in the …

    voting749227383 on Hacker News · 2021-07
    In A study of musical scales (2017)

Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.