multi-pitch tuner

Session
Idle

Spectrogram

Time → (wraps). Frequency ↑ (log). Brightness = loudness

Detected pitches

Top 3 fundamentals
Click Begin and sing/play a chord.
Show raw readout

Intonation practice

Pick a tonic, then select up to 4 intervals to form a chord. Sing any target.
Tonic Intervals
Select a tonic + intervals
Target Detected
Tonic (C3–C5)
Intervals (select up to 4)