The size of an interval (also known as its width or height) can be represented using two alternative and … See more

The table shows the most widely used conventional names for the intervals between the notes of a chromatic scale. A perfect unison (also known as perfect prime) is an interval formed by two identical notes. Its size is z… See more

In Western music theory, an interval is named according to its number (also called diatonic number, interval size or generic interval ) and quality. For instance, major third (or M3) is an interval name, in which the term m… See more

Intervals are often abbreviated with a P for perfect, m for minor, M for major, d for diminished, A for augmented, followed by the interval number. The indications M and P are often omitted. The octave is P8, and a unison is … See more

A simple interval (i.e., an interval smaller than or equal to an octave) may be inverted by raising the lower pitch an octave or lowering the upper pitch an octave. For example, the fourth from a lower C to a higher F m… See more

Intervals can be described, classified, or compared with each other according to various criteria.
An interval can be described as
• Vertical or harmonic if the two notes sound simultaneo… See more