Buy Me a Coffee at ko-fi.com

Perfect fourth

musical interval spanning four staff positions and five semitones, with a frequency ratio of approximately 4:3=1.333… (in equal temperament, ¹²√2⁵ = 1.335…)

Pronunciation
/ˈpəːfɪkt fɔːθ/
/ˈpərfɪkt fɔrθ/
Categories