How to Tune a Violin Online
Violin is tuned in perfect fifths: G3 (196 Hz), D4 (293.66 Hz), A4 (440 Hz), E5 (659.25 Hz). The A is the reference string: orchestras tune to the oboe's A, then each violinist tunes their other strings by ear from there. Bow each string steadily: short, choppy bowing produces unstable pitch that confuses the tuner. A long, slow bow stroke gives the cleanest reading.