# Utilities Interval

**Intervals**

Latin intervallum space between ramparts, interval, from inter- + vallum rampart. Intervals describe the distance of two tones.

**Pure, Minor and Major Intervals**

We differentiate pure and minor / major intervals.

Pure Intervals

Unison, Fourth, Fifth and Octave. These intervals are in the basic form pure intervals.

Minor / Major Intervals

Second, Third, Sixth and Seventh. These intervals appear in two basic forms.

Diminished Intervals

Pure and minor intervals are diminished by lowering the above tone or by heightening the lower tone.

Augmented Intervals

Pure and major intervals are augmented by heightening the above tone or lowering the lower tone.

**Consonant and Dissonant Intervals**

Consonant Intervals
Melodious intervals are denoted as consonant intervals.

Unison, Octave, Fifth, Fourth, Major and Minor Third.

Dissonant Intervals

These intervals sound chafing, odd and disharmonious.
Minor Second, Major Second, Diminished Fifth, Augmented Fifth, Seventh