Test | Result | Notes |
Explainer paragraph (Emma – conversational) | 96 % “human‑sounding” in listener poll (n = 50) | Slight “studio polish” audible on emphasis spikes |
Character dialog (Alex M & Jade) | Good separation of age / gender tone; breath sounds natural | No “laughter / whisper” stage directions like ElevenLabs |
IPA pronunciation control | Correctly rendered the medical term “diethylstilbestrol” and the brand name we added | Must enable Pronunciation Control in block menu |
MultiNative voices | Smooth language switch within same clip (EN → ES) | Limited to 6 voices today |