Evidence · first-party tested
Voice match accuracy was inconsistent: it could stay relatively close to the original speaker in multilingual generation, but it fell badly on noisy source audio and also showed lower voice-match accuracy on clean studio audio. The generated voice shifted noticeably in some cases, including sounding closer to a female voice profile than the source speaker.
◐ MixedHeygen →
The observation
Voice match accuracy was inconsistent: it could stay relatively close to the original speaker in multilingual generation, but it fell badly on noisy source audio and also showed lower voice-match accuracy on clean studio audio. The generated voice shifted noticeably in some cases, including sounding closer to a female voice profile than the source speaker.
Criterion: Voice match accuracy ·
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get_evidence({
tool: "heygen"
})MCP · mcp.aidemos.com/api/mcp
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