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fix/sample-preprocessor
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Author SHA1 Message Date
James Pine b7781951df comment cleanup 2026-03-16 01:46:19 -07:00
James Pine 97292ecef7 feat: add chunk crossfade slider (0ms = hard cut) 
Persisted setting (default 50ms) controls how audio chunks are blended
together.  Set to 0 for a clean hard cut with no overlap.
 2026-03-13 06:48:06 -07:00
James Pine 70ca7f66cb feat: chunked TTS generation for long text (engine-agnostic) 
Text exceeding max_chunk_chars (default 800) is automatically split at
sentence boundaries, generated per-chunk, and concatenated with a 50ms
crossfade.  Works with all engines (Qwen, LuxTTS, Chatterbox, Turbo).

- Abbreviation-aware sentence splitter (Dr., Mr., e.g., decimals)
- CJK sentence-ending punctuation support
- Paralinguistic tag preservation ([laugh], [cough], etc.)
- Per-chunk seed variation to avoid correlated RNG artefacts
- Per-chunk Chatterbox trim (catches hallucination at each boundary)
- max_chunk_chars exposed as per-request param on GenerationRequest
- Text max_length raised to 50,000 characters

Closes #99
 2026-03-13 06:21:34 -07:00