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Voxmind’s phoneme extraction model (XLSR-300M) was trained across 128 languages, making the core voice biometrics engine genuinely language-agnostic. This means a user can enroll in one language and authenticate in another — the voiceprint captures anatomical constants that don’t change with language. The language parameter on enrollment and verification calls helps the phoneme segmentation model apply the correct acoustic boundaries for the submitted audio. It’s optional (defaulting to en-UK) but specifying the correct language improves accuracy, particularly for languages with phoneme inventories that differ significantly from English.

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Supported language codes

The language field uses [ISO 639-1]-[ISO 3166-1 alpha-2] format.
Additional language support is being expanded continuously. If your use case requires a language not listed, contact support@voxmind.ai — we can often add support for specific languages on request.