Frequency Finder

Frequency Finder shows the live main frequency in hertz when the tone is clear. Use it for hums, fans, notes and pitched sounds — and switch into Tuner mode when you need cents and instrument presets.

Live frequency

When a clear tone is present, DecibelDock shows a live frequency in Hz. Silence, noise and weak tones show "No clear frequency" rather than inventing a number. After a steady reading, brief dropouts keep the last value on screen briefly (marked holding) so the display does not flicker.

Peak hold can keep the highest stable frequency. Pluck mode arms for an onset, then analyzes the ringing decay to lock an estimated fundamental — useful for a string or a tapped resonant object.

Frequency and Tuner switch

At the top of Frequency you can slide between Frequency and Tuner. Frequency stays the Hz readout. Tuner adds note names, a cents needle and instrument options. The last mode is remembered on the phone. Tuner uses the Frequency Finder preview quota; it is not a separate tool.

Limits

The strongest spectral peak is not always the musical fundamental. Mixed sounds, chords and percussion often have no single clear pitch. DecibelDock prefers a blank or "no clear frequency" result over a confident wrong number.