Avilo Android beta

A violin intonation checker that hears every note

A tuner tells you one note is a little high. Avilo follows the whole passage: it colours each note on the score, gives its distance in cents, and tells you whether you tend to play sharp, or flat after a shift.

Avilo while a D major scale is played: the intonation gauge, green when the note is in tune
The result of a series in Avilo: the notes in tune in green, a little off in orange, off in red

While you play, then after

While you play, a gauge shows the distance between the note you play and the note in tune. When the series ends, every note of the score takes a colour: green if it is in tune, orange if it is a little off, red if it is out of tune. Touch a note to see its distance in cents, and whether you corrected it.

The reference a violinist uses

A tuner measures each note in equal temperament, the tuning of the piano. A violinist does not always play that way: in a double stop a major third sits about 14 cents lower than on a piano, and in a scale the leading note leans up towards its tonic. Avilo judges each exercise against the reference that suits it.

  • Double stops: judged against pure intervals (thirds, sixths, octaves)
  • Scales: melodic intonation is accepted
  • Your own scores: note by note, with the same rules

A tolerance for your level

A note is in tune within ±30 cents for a beginner, ±18 for an intermediate player and ±12 for an advanced one, from published measurements of violinists. A series is good when 70, 75 or 80 % of its notes are in tune, depending on your level.

Exercises built for intonation

  • Finger patterns: where the half steps fall, string by string
  • Each finger alone first, then the half steps, the extensions and the low first finger
  • Scales in the keys you know, then in positions
  • Thirds, sixths and octaves, broken then held
Avilo's Technique tab: the intonation exercises by theme, finger patterns, scales and positions

Questions

How do I check my violin intonation?

With a tuner, one note at a time, or with an app that listens to the whole passage. Avilo shows each note's distance in cents while you play and colours the score after the series, so you see which notes are out of tune, and with which fingers.

Why is my violin intonation so bad?

Mostly because the hand has not yet learnt where the fingers go in each key and each position. It is learnt by slow practice of finger patterns and scales, checking each note with your ear, the open strings, a teacher or an app.

Should violinists practise with a tuner?

A tuner helps to find a note, but it measures in equal temperament, which violinists do not always play. Avilo uses the reference the exercise asks for, and a tolerance suited to your level.

Try Avilo

Avilo is in beta on Android. Join it, or leave your email to hear when it comes out on iPhone.