{ "default_version": "flash", "default_voice": "anchor_male", "versions": { "pro": { "engine": "cosyvoice3", "base": "FunAudioLLM/Fun-CosyVoice3-0.5B-2512", "lm": "checkpoints/pro/flash_instruct/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": "Pro v1.1 (experimental; used automatically when --instruct is given): Flash-Instruct LM = Flash-DPO + instruction SFT (natural-language instruction in the CosyVoice3 system-prompt slot, audio-derived pace/pause labels, default prompt trained on native-like clips) + DPO polish (CER, pace/pause match to native, clipped-ending penalty); classifier-free guidance 2.0 on the instruction; few/many-pause instructions also edit the text ([pause] tags). Pace control works; pauses work through the text step; calm/lively and emotion are not supported. Licensed data only.", "instruct": true, "cfg": 2.0, "text_pauses": true, "tail_pad": 0 }, "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 without --instruct): 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" } }, "voices": [ "anchor_male", "waxal_ibo_5_female", "waxal_yor_5_female" ], "recommended": { "pro": [ "anchor_male", "waxal_ibo_5_female", "waxal_yor_5_female" ], "flash": [ "anchor_male", "waxal_ibo_5_female", "waxal_yor_5_female" ], "note": "Pro v1.1 is experimental. Pace instructions (slow/fast) work; pause instructions work through a text step; calm/lively has no measurable effect and is not advertised. --tail_pad 6 removes clipped endings (opt-in). Compare with --compare (flash vs pro) before use." }, "rates": [ "none", "very slow", "slow", "normal", "fast", "very fast" ] }