How Is Voice Type Determined? The Rule Behind a Range Test
Teachers judge voice type by range, tessitura, timbre and passaggio. A range test uses one rule: here is VocalCheck's, with worked examples and its limits.
Iris Lambert
Independent software developer
Iris Lambert is the independent developer behind VocalCheck, a free browser-based tool that estimates your vocal range and voice type in seconds. Iris Lambert is the pen name of VocalCheck's author. Everything runs locally on your device — your microphone audio is processed in your browser and is never uploaded to a server. Iris writes these guides by running every step in VocalCheck itself and cross-checking the results against published vocal-pedagogy sources before publishing.
Questions or corrections: contact@vocalcheck.io.
Articles by Iris Lambert
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