VITS

VITS TTS

The end-to-end TTS architecture that combines a variational autoencoder, normalizing flows, and adversarial training.

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<speak><prosody rate="slow">Slow speech</prosody></speak>

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-12 +12
0.5x 2.0x
Gratis con Piper, VITS, MeloTTS
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Informazioni VITS

VITS — Variational Inference with adversarial learning for end-to-end Text-to-Speech — was introduced by Jaehyeon Kim and collaborators in 2021 and became a foundational architecture for modern neural speech. Rather than the older two-stage pipeline, it synthesizes audio in a single parallel end-to-end pass, pairing a variational autoencoder with normalizing flows and a GAN-style adversarial training process to lift naturalness. At about 25M parameters and trained on ~585 hours, it produces natural prosody at fast inference speeds and supports multiple speakers. It serves as a solid general-purpose, free baseline and underpins many later models such as Piper and MeloTTS.

Meglio per: General-purpose text-to-speech with natural prosody

Sfoglia tutti VITS voci

A colpo d'occhio

Sviluppatore
Jaehyeon Kim et al.
Licenza
MIT
Livello
free
Velocità
fast
Clonazione vocale
No.
Lingue
English, German, Spanish, French, Portuguese, Dutch, Finnish, Hungarian, Bulgarian, Japanese, Polish
Caratteri massimi
2000

VITS voci

CSS10 (Dutch)

Dutch
Libero Neutral

CSS10 (Finnish)

Finnish
Libero Neutral

CSS10 (French)

French
Libero Neutral

CSS10 (German)

German
Libero Neutral

CSS10 (Hungarian)

Hungarian
Libero Neutral

CSS10 (Spanish)

Spanish
Libero Neutral

Common Voice (Bulgarian)

Bulgarian
Libero Neutral

Common Voice (Portuguese)

Portuguese
Libero Neutral

Default

English
Libero Neutral

MAI (Polish)

Polish
Libero Female

MAI (Ukrainian)

Ukrainian
Libero Neutral

VITS FAQ del TTS

VITS means Variational Inference with adversarial learning for end-to-end Text-to-Speech. It generates audio in a single parallel pass using a variational autoencoder, normalizing flows, and adversarial (GAN) training, rather than a two-stage pipeline.

Yes. VITS is MIT-licensed and in the free tier, so it can be used commercially.

On TTS.ai, VITS covers 11 languages including English, German, Spanish, French, Portuguese, Dutch, Finnish, Hungarian, Bulgarian, Japanese, and Polish, with multi-speaker support. It does not do voice cloning.
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