10-generation evolution of prompt + LoRA-strength + sampling to maximize Triumph. Fitness = mean over 8 candidates. Best evolved 0.370 vs prompt-without-LoRA 0.002 (LoRA lift +0.368) vs neutral -0.002; winning λ≈1.75.
Method & reproducibility — how the evolution ran
Base model:laion/moss-tts-local-transformer-4.55b-voice-acting-v2 · LoRA: the matching v3 emotion LoRA (TTS-AGI/moss-emotion-loras-v3, rank 32), applied via PEFT adapter scaling at strength λ. Algorithm: genetic search — population 16, 10 generations, elitism (top 6 carried over). Each generation: every genome is generated best-of-8 and its fitness = the mean target-emotion strength over those 8 candidates (EmoNet score for the emotion, minus 0.25·max(0, WER−0.6) as a light intelligibility guard). Offspring = 60% crossover of two elites + mutation, 40% mutation of one elite. Genome (what evolves): the GENERAL voice description, the SCRIPT delivery cue, the carrier sentence, the LoRA strength λ (seeded 0.75–1.5, mutated within 0.4–2.0), and the sampling params (audio temperature, top_p, top_k). Mutation operators: 35% regenerate the description (new intensity + manner adjectives), 20% swap the carrier sentence, 23% jitter λ by ±0.25/0.5, 12% jitter temperature ±0.1, 10% change top_k. LoRA on vs off: the two LoRA OFF cards are baselines generated with the adapter disabled (λ=0) — a plain neutral prompt, and the best steering prompt without the LoRA. Every LoRA ON hall-of-fame recipe below was generated with the LoRA active at the evolved λ shown on the card. Seed is derived from the emotion name (deterministic).
Baselines — LoRA disabled
NEUTRAL promptLoRA OFF (λ=0)
mean-emo -0.002 · best -0.00 · blend 0.21 · genu 0.05 · WER 0.47
STEER promptLoRA OFF (λ=0)
mean-emo 0.002 · best 0.02 · blend 0.69 · genu 0.22 · WER 0.25
GENERAL: A voice viscerally expressing triumph, a triumphant, victorious voice, roaring with the thrill of winning, exultant, with every word.
SCRIPT: (triumphantly, roaring with victory) "This changes everything, doesn't it."
Hall of fame — top 7 evolved recipes (all generated WITH the emotion LoRA active)
#1LoRA ON · λ=1.75 (175%)
mean-emo 0.370 · best 0.48 · blend 0.11 · genu 0.13 · WER 0.51
GENERAL: A voice unmistakably expressing triumph, a triumphant, victorious voice, roaring with the thrill of winning, exultant, in every breath.
SCRIPT: (triumphantly, roaring with victory) "There are twelve chairs arranged around the conference table."
mean-emo 0.368 · best 0.59 · blend 0.14 · genu 0.15 · WER 0.51
GENERAL: A voice viscerally expressing triumph, a triumphant, victorious voice, roaring with the thrill of winning, exultant, impossible to hide.
SCRIPT: (triumphantly, roaring with victory) "There are twelve chairs arranged around the conference table."
mean-emo 0.355 · best 0.55 · blend 0.08 · genu 0.14 · WER 0.54
GENERAL: A voice viscerally expressing triumph, a triumphant, victorious voice, roaring with the thrill of winning, exultant, building and building.
SCRIPT: (triumphantly, roaring with victory) "There are twelve chairs arranged around the conference table."
mean-emo 0.419 · best 0.55 · blend 0.12 · genu 0.17 · WER 0.93
GENERAL: A voice unmistakably expressing triumph, a triumphant, victorious voice, roaring with the thrill of winning, exultant, in every breath.
SCRIPT: (triumphantly, roaring with victory) "There are twelve chairs arranged around the conference table."
mean-emo 0.399 · best 0.56 · blend 0.17 · genu 0.18 · WER 0.92
GENERAL: A voice to the extreme expressing triumph, a triumphant, victorious voice, roaring with the thrill of winning, exultant, raw and unfiltered.
SCRIPT: (triumphantly, roaring with victory) "I feel it, all of it, right now."
mean-emo 0.352 · best 0.52 · blend 0.12 · genu 0.17 · WER 0.74
GENERAL: A voice unmistakably expressing triumph, a triumphant, victorious voice, roaring with the thrill of winning, exultant, with every word.
SCRIPT: (triumphantly, roaring with victory) "There are twelve chairs arranged around the conference table."
mean-emo 0.313 · best 0.40 · blend 0.08 · genu 0.17 · WER 0.60
GENERAL: A voice viscerally expressing triumph, a triumphant, victorious voice, roaring with the thrill of winning, exultant, impossible to hide.
SCRIPT: (triumphantly, roaring with victory) "The report is on the desk, right next to the printer."
