Interval Singing Trainer
Call-and-response practice for intervals, scale degrees, melodic patterns and chromatic warm-ups. You hear the call, you sing, then you hear the answer and judge yourself. The widget never listens to your voice — there is no microphone anywhere in it.
Movable do, major scale: do is the tonic of whatever key the cadence just set, so do re mi = 1 2 3 in that key.
Nothing rated yet. Rate a round after you have heard the check.
By exercise: nothing rated yet.
What this is
A call-and-response trainer for producing pitch with your voice, not just recognising it. Six exercises share one engine: every round runs Listen → Sing → Check and then moves on, on the audio clock, hands-free.
The six exercises
- Intervals — you hear a root, you sing a named interval away from it, then you hear the target alone and finally both notes together as a harmonic check.
- Degrees — a I–IV–V–I cadence establishes a key, then a scale degree is named for you to sing. You hear that degree, then it sounds together with do. The key is re-established with a fresh cadence every fourth round, or every round if you switch that on.
- Patterns — a three- to five-note pattern is played, you echo it back, then it is replayed so you can check yourself. Echo singing is how this is actually taught.
- Warm-up — the classic vocal ladder. One shape is played, you sing it, and the next repetition starts one semitone higher. When the shape reaches the top of your range it walks back down again. Nothing to press.
- Routine — a short session that runs warm-up, then degrees, then intervals, then patterns, with a progress track showing where you are. Short, Standard or Long sets the number of rounds in each block.
- Range finder — a guided semitone-by-semitone walk. When a note is at the edge of what you can sing comfortably, mark it as your low or your high. Once both are marked at least an octave apart, My range appears under Voice range and every exercise is then generated inside your range instead of a preset.
The three phases
- 1 · Listen — the call sounds: a root, a cadence, or a pattern. The bar fills and the note names appear on the cards.
- 2 · Sing — the task is named in large type and the bar counts your beats down. Sing now, on an open “ah”.
- 3 · Check — the answer is played back so you can compare it with what you just sang, and in the interval and degree exercises the two notes then sound together.
Solfège convention
Degrees use movable do on the major scale: do is always the tonic of the key the cadence has just set, so do re mi fa sol la ti do = 1 2 3 4 5 6 7 8 in that key, at 0 2 4 5 7 9 11 12 semitones above do. It is not fixed do, so do is not always C. Turn Solfège syllables off if you would rather read numbers only.
Controls
- Start / Stop — begins and ends practice. Audio only starts on your first click or tap, as browsers require.
- Next — jumps straight to a fresh round. In manual step mode this is how you advance.
- The two cards — click or tap either card to hear that note again. The right-hand card stays a ? and is not playable until the check phase, unless you turn on “Show target name early”.
- Interval pool — the 13 buttons are Unison 0, m2 1, M2 2, m3 3, M3 4, P4 5, TT 6, P5 7, m6 8, M6 9, m7 10, M7 11, Octave 12 semitones. Tap to add or remove one. All 13, Basics, Perfect only and Clear set the pool in one go.
- Direction — ascending, descending, or a coin toss between the two each round. Unison ignores direction.
- Scale degrees — the eight buttons are the degrees that can be asked for. Triad is do mi sol do, Stepwise is do re mi fa sol.
- Melodic patterns — tap to add or remove a pattern. A pattern is only used in a round if it fits whole inside your range at some key.
- Warm-up shape — one shape at a time; the ladder is built from it.
- Voice range — every note of every exercise is generated inside this range. Soprano C4–A5 (MIDI 60–81), Alto F3–D5 (53–74), Tenor C3–A4 (48–69), Bass E2–C4 (40–60), Instrument C3–C5 (48–72), plus My range once you have marked one in the range finder. Pitches follow f = 440 × 2^((MIDI − 69) / 12) at A4 = 440 Hz. The range finder itself is the one place that deliberately walks outside the preset, between MIDI 36 and 84, because that is how you find your own edges.
- Tempo — 40 to 132 BPM; every phase length is measured in these beats.
- Time to sing — 2 to 12 beats. Pattern and warm-up rounds lengthen the sing phase automatically if the pattern needs more beats than that.
- Volume — master level for everything the widget plays.
- Auto-advance loop — on, rounds cycle hands-free so you can practise standing at a music stand. Off, the widget waits at the end of each round until you press Next.
- Beat ticks while singing — a quiet click on each beat of the sing phase to keep you in time.
- Hint line — the small line under the task: a well-known tune for intervals, the degree’s description for degrees, the starting note for patterns.
- Full cadence every round — on, degrees get the whole I–IV–V–I every time instead of a single do reminder.
- Nailed it / Close / Missed — your own verdict on the round you just sang. The tally splits by exercise and remembers which interval, degree or pattern you have rated worst, so you can see what to drill. Clear tally zeroes it; Reset everything also returns all settings, marks and the routine to their defaults.
Keyboard
Click the widget once so it has focus, then: Space start / stop · Enter next round · 1 2 3 rate nailed / close / missed · 0 clear tally · E next exercise · H hear the reference note again · L loop mode · K beat ticks · M show target name early · ↑ ↓ tempo ±2 BPM · ← → time to sing ±1 beat. Arrow keys are left alone while a slider has focus, so you can drag the sliders with the keyboard as usual.
Three tips
- Sing on an open “ah” rather than humming. Humming hides small errors from your own ear; an open vowel does not.
- Trust the harmonic check more than the single note. When your voice and the played note lock together the beating stops, and that is a far sharper test than comparing two notes played one after the other.
- Do the range finder once, honestly, before anything else. Marking a high note you can only just scream at will push every later exercise too high; mark where you are still comfortable and relaxed.
This is a practice tool to train your voice and your ear. To use this widget, try working on range finding, patterns, scale degrees, intervals, and more.
By pressing buttons on-screen or dedicated keys on your computer keyboard you can control the widget. Listen and sing. Check your pitch against a reference tone. Follow the interface.
How to Use the Voice Practice Tool
To start a round simply press the Start button. You will hear a reference pattern or note played from the widget. Text will then appear on the screen to tell you if you should sing, listen, or check the pitch. Your task is to try to sing target note or pattern as accurately as possible. Next, the target will be played again for you to compare how close your voice was to correct pitch.
At the end of each round there are three rating buttons that allow you to rate yourself. With the keyboard, you can control the flow of your practice. Hit Spacebar to begin/pause the workout. Hit Enter to jump ahead to the next round. Hit Spacebar to begin/pause the workout. Hit Enter to jump ahead to the next round.
To score your previous try: hit the number key corresponding to your result. If you nailed it, hit 1. If you were close but not quite, hit 2. If you just plain missed, hit 3. If you want to clear all scores and start from scratch, hit 0. And if you’d like to switch between pattern exercises, intervals, etc., simply hit E. To hear the root note again, press H.
To decide what it is you’d like to practice, select one of the options in the top half of the widget. To target a particular aspect of your singing, pick one of the modes. Interval mode will drill the distance from one note to another. Degree mode centers on sounding out a note in the context of a scale. Pattern mode shows you a brief melody to echo back. Warm up mode loosens your voice with some simple shapes. The range finder mode helps you find your comfortable vocal limits. For more balance in your practice, you can select a routine that blends all of these modes into one session.
There are settings for each mode. The one labeled “interval” lets you decide which intervals you want to practice. Simply tap a button to add or remove an interval from your practice set. Degree mode focuses on singing notes within a scale. Here you choose which scale degrees you want to use. The final one is labeled “pattern”, where you can choose exactly which types of melody shapes you’d like to see. These all feed into the pools that drive what the widget will generate for you.
It adjusts according to your vocal range. There’s a standard range but you can set it to your own. If you want your own range, activate range finder mode. Walk around the scale until you have established your high and low notes that feel comfortable. Mark those edges. From then on the widget will present you with exercises using just your custom range. In other words, each of the notes you hear will be in your reach. Also, you can change the range setting to transpose the exercises.
You can adjust timing and get feedback. The beats slider controls how many beats you have to hold your note. The more beats, the harder it is to stay in tune. The BPM slider adjusts speed of the exercise. The slower the tempo, the more time you have to listen and sing. The volume slider controls how loud the widget is. You can also toggle a tick sound on/off to help keep time. Turn on reveal if you want to be able to see what the target note is before you sing. This is helpful for beginners.
Then there’s the lower part that logs your results. Based off your self-reported score, it tells you how many times you nailed it, came close but missed, and didn’t make contact at all. It even groups your efforts by exercise type. Which exercises do you tend to fail? Which ones is difficult for you? How many occur, and at what degree or interval? What can you tweak in your pool to improve? Let that information guide you.
If you don’t remember what keys to press, use the help button. A panel will pop up explaining it all. To get a cleaner view, try entering fullscreen mode. It eliminates distractions and helps you focus on the exercise. In fullscreen mode, you’ll still be able to use the keyboard shortcuts. For a smoother experience, keep your hands on the keyboard. That way, you won’t have to look at the screen to navigate and rate.
Take time to experiment with various options until you figure out which one suits your abilities best. Start with fewer beats and a slower pace to help gain some comfortlevel. As you become more skilled, raise the challenge little by little. First use the reveal feature before disabling this so you can test yourself on memory. The routine mode will give you an entire workout mixing patterns, degrees, intervals and even warm ups. This helps keep your ear sharp and keeps you from getting bored.
You can return to default settings by resetting the widget to clear your range marks, ratings, and pools. Handy when you’re sharing the device with another person or if you just wanna start over. While you’re on the page, the widget will remember your settings. Leave ‘em alone for the next time you use it. No need to go through the trouble of setting it all up again.
It’s a tool to use every day. Even if it’s just a couple of minutes per day, you’ll get better at pitching things accuratley. Rate honestly. That will help you find where you really need work. Don’t rush through the rounds. Listen well and give yourself the time. Sing relaxed. Let the tick sounds keep you on track. Your ears will become more acute over time. Followed by your voice. Begin with a single degree or interval. Work up from there. Have fun developing your musicianship skills.