Delta-rational chord: Difference between revisions
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An '''isoharmonic chord''' is a specific type of isodifferential chord, where the ratios between the notes are rational numbers, and therefore the chord is in just intonation. Such a chord can be built by successive jumps up the [[harmonic series]] by some number of steps. Since the harmonic series is arranged such that each higher step is smaller than the one before it, all isoharmonic chords have this same shape—with diminishing step size as one ascends. | An '''isoharmonic chord''' is a specific type of isodifferential chord, where the ratios between the notes are rational numbers, and therefore the chord is in just intonation. Such a chord can be built by successive jumps up the [[harmonic series]] by some number of steps. Since the harmonic series is arranged such that each higher step is smaller than the one before it, all isoharmonic chords have this same shape—with diminishing step size as one ascends. | ||
An isoharmonic "chord" may function more like a "[[scale]]" than a chord (depending on the composition of course), but the word "chord" is used here for consistency. | An isoharmonic "chord" may function more like a "[[scale]]" than a chord (depending on the composition of course), or even a series in the sense of a harmonic series, but the word "chord" is used here for consistency. | ||
==== Classification ==== | ==== Classification ==== | ||