Start with the sustained-note test. Once the range is confirmed, the page overlays your coverage on SATB and six broad Solo references, then explains why tessitura, timbre, and registration still matter.
Your range against two systems
Use SATB for choral parts or Solo for six broad individual categories.
SATB describes choral parts. It is not a full individual voice assessment.
| System | Category | Typical reference |
|---|---|---|
| SATB | Soprano | C4–C6 |
| SATB | Alto | F3–F5 |
| SATB | Tenor | C3–C5 |
| SATB | Bass | E2–E4 |
| Solo | Soprano | C4–C6 |
| Solo | Mezzo-Soprano | A3–A5 |
| Solo | Contralto | F3–F5 |
| Solo | Tenor | C3–C5 |
| Solo | Baritone | A2–A4 |
| Solo | Bass | E2–E4 |
Six broad Solo voice types
Choose a card to read the reference range and its limits. The full text is present in the page HTML; the dialog only improves focus and mobile presentation.
Method and limitsHow the test filters and interprets notes
- Detect. A microphone buffer is analyzed locally with a normalized autocorrelation pitch detector.
- Reject. The detector and range session filter low clarity, low energy, implausible pitches, unstable notes, and brief events.
- Confirm. A candidate pitch must remain clear and stable for at least 300 ms before it can change an endpoint.
- Interpret. Range overlap and center proximity produce a broad alignment estimate; they do not measure timbre, passaggio, vocal weight, or comfortable tessitura.
Countertenor method note
Countertenor is a tenor-area performance practice that can use a different registration strategy. It is explained here as a note about interpretation, not added as a seventh main card.
Safety and accuracy
Microphone quality, room noise, vibrato, vocal fry, register transitions, and device audio processing can affect readings. Sing comfortably, do not force an extreme, and stop if anything hurts.
Editorial status: This page does not claim independent review by a named vocal coach or clinician.
Reference notes
- Interlochen Center for the Arts: Determining Your Voice Type
- Voice type overview and typical ranges
- CALYP Voice Clinic: range and tessitura reference
These links provide context for broad range and tessitura conventions. They are not evidence that this browser test can assign a voice type.
First-party data status
There is no result collection in this release.
Observed sample: N=0 · Collection is not enabled.
No modeled distribution or observed-dataset claim is shown. A future collection phase requires consent, server-side range validation, one-time completion tokens, rate limiting, browser deduplication, minimal fields, a retention period, and robust aggregation.
Four careful steps
- Prepare a comfortable voiceUse a quiet room, stand or sit without strain, and sing at an easy volume. Stop if anything feels painful or forced.
- Find the low endStart near speaking pitch and move down gradually. Hold each note steadily; the test ignores brief noises and unsteady readings.
- Find the high endMove upward in small steps without shouting. Count notes you can sustain clearly, not one-off squeaks or whistle-register effects.
- Read the estimateCompare the confirmed range with broad SATB and Solo references, then treat the alignment as a starting hypothesis because tessitura and timbre also matter.
Questions and limitations
Can vocal range alone determine my voice type?
No. Range is useful evidence, but a fuller classification also considers tessitura, timbre, register transitions, vocal weight, training, and repertoire. This tool therefore shows broad range alignment, not a professional diagnosis.
Why does the test ignore very brief notes?
A microphone can mistake breath, room noise, or a harmonic for an extreme pitch. A note must remain clear and stable for at least 300 milliseconds before it changes your result, which favors notes you can actually sustain.
What is the difference between SATB and Solo?
SATB describes four choral parts: soprano, alto, tenor, and bass. Solo shows six broad individual voice categories. They overlap, but they answer different practical questions and neither is a diagnosis from two endpoints.
Why is Countertenor not a seventh card?
Countertenor describes a tenor-area performance practice and registration choice that can overlap the chart. It is included as a method note so the six-card comparison stays clear rather than treating it as a separate range-only diagnosis.
Is my microphone audio uploaded?
No. Audio is processed in your browser and is not uploaded, recorded, or retained by this site. This first release does not silently save a range history or collect completed results.