Test your vocal range and discover your singing voice classification with real-time browser pitch detection from your microphone.
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Worked examples and how to read the result
Capture comfortable, sustained notes after a gentle warm-up. These examples explain the displayed range; they do not assign a singing voice type.
Measure a one-octave span
Example input
Capture A3 as the low note and A4 as the high note after each becomes steady.
Expected result
12 semitones, or 1.00 octave.
A3 is MIDI note 57 and A4 is MIDI note 69. Subtracting 57 from 69 gives 12; dividing by 12 gives one octave. Your microphone must detect the sustained pitches before capture is available.
Interpret a wider comfortable range
Example input
Capture C3 as the low note and G4 as the high note.
Expected result
19 semitones, or 1.58 octaves.
G4 is 19 semitones above C3. Reference-range overlaps can help compare spans, but tone, register transitions, and tessitura also matter for voice classification.
Background music, vocal fry, and microphone noise can affect detection. Repeat unclear captures without forcing an uncomfortable note.
How Vocal Range & Voice Type Detector works
The Vocal Range & Voice Type Detector measures your vocal span and identifies your voice classification using real-time microphone pitch tracking. By analyzing fundamental acoustic frequencies from your lowest singable note to your highest comfortable pitch, this tool maps your vocal boundaries against classical and contemporary voice categories including Bass, Baritone, Tenor, Contralto, Mezzo-Soprano, and Soprano. All audio analysis executes strictly on your local device using the browser Web Audio API, ensuring complete privacy with zero recordings transmitted over the network.
Singing voice classification depends on both vocal range (the absolute span from lowest to highest singable pitch) and tessitura (the pitch region where your voice sounds most natural, resonant, and effortless without strain). Pitch detection uses an in-memory autocorrelation algorithm that continuously tracks audio waveform periodicity between 50 Hz and 1,500 Hz, converting detected frequencies into scientific pitch notation and musical semitones.
Before testing your range, perform gentle vocal warm-ups such as lip trills, gentle hums, and sirens. Cold vocal cords can understate your lower register and risk unnecessary strain on higher notes. Test your lowest note by humming downwards on an open vowel until pitch stability fades, then ascend comfortably to discover your highest unforced tone.
How to use Vocal Range & Voice Type Detector
1. Enable Microphone Access
Click Start Microphone to allow browser audio capture. Your microphone stream is processed entirely in local memory with zero recording or audio storage.
2. Sing and Lock Lowest Note
Hum or sing down to your lowest comfortable pitch on a vowel like "ah" or "oo". When the live tuner needle stabilizes on your bottom pitch, click Lock Lowest Note.
3. Sing and Lock Highest Note
Sing upward to your highest comfortable note without straining into strained falsetto or vocal crack. Once the pitch dial locks in, click Lock Highest Note.
4. Inspect Range and Download Profile
Review your total octave span, classified singing voice type, and celebrity vocal range matches. Download a personalized vocal profile card for vocal training.
Key features and technical specifications
Autocorrelation Pitch Tracker
In-memory fundamental frequency estimator detecting pitches between 50 Hz and 1,500 Hz with real-time cents deviation metering.
Scientific Pitch Notation
Translates raw acoustic Hertz frequencies directly into standard musical note designations and MIDI note numbers from C2 to C6.
Six-Tier Voice Classifier
Calculates overlap across classical vocal types including Bass, Baritone, Tenor, Contralto, Mezzo-Soprano, and Soprano.
Vocal Profile Card Generator
Renders a downloadable profile summary graphic with your octave span, vocal classification, and famous artist counterparts.
Discovering vocal range boundaries and singing voice types
Warm up gently before vocal tests. Sing with relaxed breath support and avoid pushing into strained falsetto or vocal fry when establishing your lowest and highest usable notes.
Check a song’s note range
Compare captured comfortable low and high notes with the notes required by a song. Range alone does not show whether its phrases fit your tessitura.
Keep a practice snapshot
Download a range card after a consistent warm-up and repeat under similar conditions. Compare stable captures rather than isolated squeaks or strained notes.
Vocal Range & Voice Type Detector reference table
Quick reference for Vocal Range & Voice Type Detector: inputs, options, examples, and interpretation checks
Voice Classification
Standard Range & Frequencies
Famous Singer Equivalents
Bass
E2 – E4 (82 Hz – 330 Hz)
Johnny Cash, Barry White, Leonard Cohen, Avi Kaplan
Baritone
A2 – A4 (110 Hz – 440 Hz)
Elvis Presley, Frank Sinatra, John Legend, Michael Bublé
Tenor
C3 – C5 (131 Hz – 523 Hz)
Freddie Mercury, Luciano Pavarotti, Bruno Mars, The Weeknd
Contralto
F3 – F5 (175 Hz – 698 Hz)
Adele, Amy Winehouse, Cher, Annie Lennox
Mezzo-Soprano
A3 – A5 (220 Hz – 880 Hz)
Beyoncé, Lady Gaga, Whitney Houston, Dua Lipa
Soprano
C4 – C6 (261 Hz – 1,046 Hz)
Mariah Carey, Ariana Grande, Celine Dion, Kelly Clarkson
Frequently asked questions
What is the difference between vocal range and tessitura?
Vocal range refers to the absolute span from the lowest note to the highest note you can produce, including vocal fry and whistle tones. Tessitura refers to the narrower musical pitch zone where your voice resonates with optimum timbre, volume, and endurance without vocal strain. Songs should primarily live within your tessitura rather than your extreme boundaries.
Should I sing in chest voice, mixed voice, or head voice during testing?
For the most accurate evaluation of your practical singing range, use your modal voice (chest voice and supported mixed voice). You may include supported head voice for your top note if it is a tone you can reliably sustain in song, but avoid unsupported squeaks or strained vocal fry that cannot be used musically.
Why does my detected pitch fluctuate slightly on the dial?
Natural human singing possesses subtle micro-pitch fluctuations called vibrato, typically oscillating 4 to 7 times per second across 20 to 50 cents. The pitch detector reflects this live frequency oscillation. Hold a steady vowel and observe the center average note reading.
Do I need an internet connection, and are my inputs uploaded?
An internet connection is required to open tools and refresh a temporary session. Processing stays on your device; the handshake sends a random challenge, not files or text inputs. Libraries, fonts or models may download. Local processing cannot remove risks from an untrusted device or extension.
Can adult vocal range expand with practice?
Yes. With regular vocal warm-ups, proper breath support, diaphragmatic control, and healthy resonance placement, most singers can comfortably expand their usable range by several semitones, particularly in the upper mixed voice and transitional break areas.