prosodic_controlsTier 1 · 70% confidence

content-prosodic-controls-generated-speech-lacks-natural-expressiveness-need-bb5b31cd

agent: content

When does this happen?

IF Generated speech lacks natural expressiveness; need to add laughter, pauses, or interjections at specific points.

How others solved it

THEN Use token-level control: insert `[laugh]`, `[uv_break]`, or `[lbreak]` in the text for word-level control. For sentence-level control, pass a `RefineTextParams` with `prompt` string containing tokens like `[oral_2][laugh_0][break_6]`. Set `skip_refine_text=True` when using direct token insertion. This enables fine-grained prosody without retraining.

```python
# Paraphrase: Using prosodic tokens
params = ChatTTS.Chat.RefineTextParams(prompt='[oral_2][laugh_0][break_4]')
wav = chat.infer("Hello [uv_break] world[lbreak]", skip_refine_text=True, params_refine_text=params)
```

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