Open Piano Tuner

Temperament wizard

Sets the middle octave, F33 to F45, by the Defenbaugh method: one note at a time, guided by the beats you hear.

Hz

About this step

Microphone off

    -- beats/s
    Flashes with the beat

    Target
    --
    Equal temperament
    --
    Practise hearing beats

    Checks

    They do not block saving, but show earlier mistakes.

      Beat rates compared

      Inside third Outside sixth Verdict