Dynamic Accent Flash: add Flash-DPO (CosyVoice3) as --version flash (default), diacritic front-end, Flash results, samples
e4ae2bb verified | { | |
| "default_version": "flash", | |
| "default_voice": "anchor_male", | |
| "versions": { | |
| "flash": { | |
| "engine": "cosyvoice3", | |
| "base": "FunAudioLLM/Fun-CosyVoice3-0.5B-2512", | |
| "lm": "checkpoints/flash/flash_dpo/best.pt", | |
| "diacritics": "checkpoints/flash/diacritics_byt5", | |
| "sampler": "silexcap", | |
| "one_pass": true, | |
| "postprocess": false, | |
| "rate": "normal", | |
| "frontend": "codeswitch", | |
| "translate": "experimental, off by default (--frontend translate --experimental_translate)", | |
| "desc": "Flash (default): Flash-DPO LM on Fun-CosyVoice3-0.5B-2512 (SFT on licensed data + DPO with a naturalness/CER/pace/pause reward), CV3 flow+vocoder zero-shot from the voice clip; text front-end restores Yoruba/Igbo diacritics; one pass per paragraph, model pauses, no post-processing" | |
| }, | |
| "phase2": { | |
| "lm": "checkpoints/phase2/p2_lm_B/best.pt", | |
| "flow": "checkpoints/phase2/p2_flow_sft/best.pt", | |
| "sampler": "ras", | |
| "one_pass": false, | |
| "postprocess": true, | |
| "rate": null, | |
| "desc": "Phase 2 final system: LM p2_lm_B (~120 h, pause profile B) + anchor-SFT flow; sentence by sentence, internal silences capped at 0.6 s" | |
| }, | |
| "phase3": { | |
| "lm": "checkpoints/phase3/p3_lm_full/best.pt", | |
| "flow": "checkpoints/phase2/p2_flow_sft/best.pt", | |
| "sampler": "silexcap", | |
| "one_pass": true, | |
| "postprocess": false, | |
| "rate": "normal", | |
| "desc": "Phase 3: LM p3_lm_full (178 h re-cut, ~102 h Igbo, [pause]/[breath] + speed instruction) + the shared Phase 2 flow; one pass per paragraph, model-made pauses" | |
| } | |
| }, | |
| "voices": [ | |
| "anchor_male", | |
| "waxal_ibo_5_female", | |
| "waxal_yor_5_female" | |
| ], | |
| "recommended": { | |
| "flash": [ | |
| "anchor_male", | |
| "waxal_ibo_5_female", | |
| "waxal_yor_5_female" | |
| ], | |
| "phase3": [ | |
| "waxal_ibo_5_female", | |
| "waxal_yor_5_female" | |
| ], | |
| "phase2": [ | |
| "anchor_male" | |
| ], | |
| "note": "Flash is the default and the best-scoring version for every voice (clipped endings anchor 9.1%->7.1%, female Igbo 22.8%->10.7%; pace ~native). Known weakness: with anchor_male, Flash under-pauses in Igbo and Yoruba. Earlier listening verdict (2026-10-21): Phase 3 with the female voices, Phase 2 with the male anchor. Use --compare to A/B before use." | |
| }, | |
| "rates": [ | |
| "none", | |
| "very slow", | |
| "slow", | |
| "normal", | |
| "fast", | |
| "very fast" | |
| ] | |
| } |