Equal pitch is a type of mode. If the tonic of a sharp key and a flat key are in a consonant relationship, then the two keys are equal tones.

Related introduction:

The twelve semitones in the equal temperament all have the phenomenon of equal tones (homophones and synonyms), thus producing equal tones, equal intervals, and equal chords. Equal tones are also produced. In the scales of two tones that are equal to each other, the corresponding tone levels must be equal to each other, and they must have the same meaning in the mode.

Extended information

Related terms:

1. Equal intervals:

Two intervals have the same sound, but different notations and meanings , is called an equal interval. The equal interval is due to the change of equal notes, and its important feature is that the number of notes is equal. You can change the notation of only one note, or you can change the notation of both notes at the same time.

2. Equal chords:

Two chords that belong to different tones and have different meanings are called equal chords. Equal chords have the same characteristics as equal intervals, and they are both produced by changes in equal pitch. According to the traditional definition of chords, among triads and seventh chords, only augmented triads and diminished seventh chords have structurally different inversions and other chords.

Baidu Encyclopedia-Equal Tones