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ByteDanceSeed Speech

Seed Voice Replication 1.0

Voice Replication 1.0 remains a resource option in the current BytePlus synthesis API.

Version details

The API documents word and phoneme timestamps for first-generation Chinese and English voices. The newer tone-fidelity switch applies to Voice Replication 2.0.Seed speech synthesis and voice replication API

Practical use

Practical guidance. For an existing cloned voice, evaluate the new version before changing its resource settings. Compare pronunciation, tone and subtitle alignment on fresh text.

Specifications & access

Seed Voice Replication 1.0 specifications
DetailValue and conditions
AccessAPI
Model identifiersseed-icl-1.0volc.megatts.default
Resourceseed-icl-1.0 or volc.megatts.default.Seed speech synthesis and voice replication API

Related models

  • Voice replication model that learns a reusable voice profile from a short single-speaker recording.

    Launch date not confirmedAPI