A wolf interval is audibly out of tune within a particular musical tuning system. A common example is the abnormally small fifth that results from the Pythagorean comma.
Figure 1: The Wicki isomorphic keyboard, invented by Kaspar Wicki in 1896.
Figure 2: The syntonic temperament’s tuning continuum.
In music, there are two common meanings for tuning:
Wolf interval
…A wolf interval is audibly out of tune within a particular musical tuning system. A common example is the abnormally small fifth that results from the Pythagorean comma. Particularly out of tune intervals produce an unpleasant effect…
Man turning tuning pegs to tune guitar
Tuning of Sébastien Érard harp using Korg OT-120 Wide 8 Octave Orchestral Digital Tuner