Beyond the Benchmark: Conditioning, Domains and Failure Modes of Qwen3-TTS
Qwen3-TTS reports state-of-the-art zero-shot voice cloning, but its technical report leaves open how the model should be conditioned, how it behaves outside read speech, and how it fails. We characterise its two cloning interfaces, in-context learning (ICL) and X-Vector, against Chatterbox, XTTS-v2 and F5-TTS on read, meeting, emotional and air-traffic-control (ATC) speech, using eighteen objective measures, an LLM judge, a spoofing countermeasure and a listening test. Neither interface dominates: ICL clones timbre more closely from correctly transcribed references, X-Vector clones timing, and ICL degrades sharply when a short reference transcript is wrong. Domain explains four times more...
| Authors | Séverin Baroudi, Yanis Labrak, Petr Motlicek et al. |
|---|---|
| Primary category | cs.SD |
| Published | 16 October 2026 |
| Last updated at source | 16 October 2026 |
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