Verified65% confidenceFactExact time
Voice drift is a known technical challenge in autoregressive speech generation models, where accumulated errors during step-by-step generation cause the timbre to deviate from the target speaker.
3
Sources
65%
Confidence
Long-term
Relevance
8/5/2026
First Seen
Sources
H3语音模型全精度权重发布：表现力惊艳但长句声音漂移待解
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