Intonation Practice

Real-time intonation feedback for solo players and singers.

ReadyINTONATION_SOLO_LIVE

00:30 remaining

Live meter

Listening…

Cents

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00:30 / 00:30

Confidence0%

Signal0%

Stability0%

Result

No submitted take yet

The saved evaluation from the server will appear here after recording.

Local history

Recent intonation summaries

Your recent summary-only attempts will appear here on this device.

Exercise preset

Equal mode: Great for piano/keyboard-style fixed pitch.

Tuning

Target profile

Ready

Well-tempered / equal temperamentGrades against 12 equal semitones.Acoustic tuningAcoustic grading uses your selected key and tonic/fundamental to choose just-intonation targets.

Reference A4

440 Hz441 Hz442 HzCustom

Accepted A4 frequency

Active A4: 440 Hz

Recording guardrail

Record one speaker only. Avoid background voices.

Short student audio may be processed for scoring and feedback. Derived analysis is stored separately, and raw audio follows the configured retention setting.

I'm recording one speaker only.Subject age band

Recording becomes available after sign-in or in a school-managed practice session. The reference melody, preparation timer, and unrecorded singing practice remain ready now.

Attempt

Meter: idle
Max duration: 00:30
Server grading: /api/intonation/solo/grade

Check the one-speaker reminder to enable recording.