How our lessons listen and watch
Our lessons are a teacher in the browser. Like a teacher sitting beside you, they listen to what you play, and if you allow the camera, they also watch your hands. Here is what that means, and what it doesn't.
Listening: the microphone
When you play a note, the microphone hears it and the lesson works out which note it was. If it's the note the song asks for, you go on. If it isn't, the lesson tells you which note sounded, and from that, which finger or which breath to change.
That's why a quiet room helps: the lesson listens for your instrument, so less noise around you means it hears you better.
Watching: the camera
If you allow the camera, you see yourself as in a mirror, and the fingering is painted on your own hands: which fingers press, which lift, and the finger to fix. It's like having the fingering chart on your hands instead of on a page.
What the camera doesn't do: it can't see whether a hole is really covered, or how your lips are shaped. It follows your hands. When a note is wrong, the explanation comes from the note it heard.
By ear alone
The camera is a help, never a must. If it isn't allowed, or you'd rather not, the lessons work by ear alone: you see the fingering on the screen, play, and the lesson listens.
Nothing is recorded
The listening and the watching happen entirely inside your browser, on your device. Pictures, video and sound are never recorded, stored or sent to us or anyone else. Our privacy policy says the same, in every language.
Why both
Listening tells you what sounded; seeing your own hands shows you why. Together they let a child find the note themselves, calmly, without waiting for a grown-up to point.