File:Pythagorean comma (difference A1-m2).PNG

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English: Pythagorean comma defined as:
  1. difference between chromatic semitone (augmented unison) and diatonic semitone (minor second), or
  2. interval between two enharmonically equivalent notes, from D♭ to C♯.
Pythagorean major second = 203.91 cents
Pythagorean chromatic semitone = 113.69 cents
Pythagorean diatonic semitone = 90.22 cents
Chromatic - diatonic = Pythagorean comma = 23.46 cents
Date
Source Own work
Author Paolo.dL
Other versions File:Lesser diesis (difference m2-A1).PNG

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Date/TimeThumbnailDimensionsUserComment
current20:52, 21 August 2010Thumbnail for version as of 20:52, 21 August 2010984 × 173 (13 KB)Paolo.dL (talk | contribs)Larger font, so that it can be read when reduced to about 500 pixels
20:14, 21 August 2010Thumbnail for version as of 20:14, 21 August 2010962 × 137 (10 KB)Paolo.dL (talk | contribs)Size compatible with file "Lesser diesis (difference m2-A1).PNG"
19:55, 21 August 2010Thumbnail for version as of 19:55, 21 August 2010965 × 139 (10 KB)Paolo.dL (talk | contribs)Scaling to image ratio 90.2 — 23.5 — 90.2
15:47, 21 August 2010Thumbnail for version as of 15:47, 21 August 2010822 × 228 (14 KB)Paolo.dL (talk | contribs){{Information |Description={{en|1=Pythagorean comma defined as: # difference between chromatic semitone (augmented unison) and diatonic semitone (minor second), or # interval between two enharmonically equivalent notes, from Db to C#.}} |Source={{own}} |A

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