Table:
text: 15 equal temperament
Interval size
Size of intervals in 15 equal temperament
interval_name size_steps size_cents just_ratio just_cents error audio
septimal chromatic semitone 1 80 21:20 84.46 −4.47 Play Category:Articles with hAudio microformats
just chromatic semitone 1 80 25:24 70.67 +9.33 Play Category:Articles with hAudio microformats

Question: With a fair ratio of 21:20 in 15 equal temperaments, what is the value of the audio?