# Casual Style — VoiceNet dimension guide

*Category:* Speaking Style · *code:* `vn_S_CASU` · *slot:* 82

This dimension measures how casual and relaxed the delivery sounds. Merge the `__high` / `__low` LoRA from `laion/moss-voicenet-dimension-loras` at 25/50/75/100/125%. Costs are shifts vs. the 24-sample neutral baseline.

**TL;DR.** **Casual Style** controls how casual and relaxed the delivery sounds. The **__high** LoRA shifts it +0.20 at 125% (worst cost: burst-blend -0.24); the **__low** LoRA shifts it -0.26 at 125% (worst cost: burst-blend -0.15). The **__low** direction is the stronger, more reliable knob here.

## ▲ HIGH — Casual Style __high

| dose | target | Δtarget | Δgenu | Δblend | Δqual |
|---|---|---|---|---|---|
| baseline (0%) | 0.488 | — | — | — | — |
| 25% | 0.525 | +0.04 | +0.02 | -0.04 | -0.02 |
| 50% | 0.520 | +0.03 | -0.02 | -0.05 | +0.03 |
| 75% | 0.580 | +0.09 | -0.06 | -0.30 | -0.11 |
| 100% | 0.572 | +0.08 | -0.05 | -0.34 | -0.20 |
| 125% ★ | 0.683 | +0.20 | -0.01 | -0.24 | -0.21 |

- **EmoNet emotion** — ↑ Elation (+0.53), Amusement (+0.51), Teasing (+0.46); ↓ Contemplation (-0.62), Longing (-0.45), Emotional Numbness (-0.36)
- **VoiceNet dimension** — ↑ Playful Style (+0.77), Volatility (+0.77), Dynamic Arc (+0.66); ↓ Formal Style (-0.80), Whisper-Talk Style (-0.72), Monologue Style (-0.70)

Merging **Casual Style __high** ramps the dimension: at the recommended **125%** dose the measured Casual Style score moves from a 0.49 baseline to 0.68 (a +0.20 shift). The dose-response is mostly ordered but noisy between doses. That reach is a real cost — the biggest hit is to **burst-blend** (-0.24); across the board genuineness -0.01, burst-blend -0.24, speech quality -0.21. Emotionally it reads as Elation (r 0.53), Amusement (0.51) and Teasing (0.46), and it moves away from Contemplation, Longing and Emotional Numbness. On other voice dimensions it co-moves most with Playful Style (0.77), Volatility (0.77) and Dynamic Arc (0.66), while pulling down Formal Style, Whisper-Talk Style and Monologue Style. Practical call: merge __high at **100–125%**; expect Elation and Playful Style to rise and burst-blend to fall. If you don’t want Elation bleeding in, offset it with a prompt cue toward Contemplation to keep the casual style shift without the side-effect.

## ▼ LOW — Casual Style __low

| dose | target | Δtarget | Δgenu | Δblend | Δqual |
|---|---|---|---|---|---|
| baseline (0%) | 0.488 | — | — | — | — |
| 25% | 0.462 | -0.03 | -0.03 | -0.02 | -0.06 |
| 50% | 0.398 | -0.09 | -0.06 | -0.10 | -0.01 |
| 75% | 0.264 | -0.22 | -0.07 | -0.15 | +0.10 |
| 100% | 0.237 | -0.25 | -0.08 | -0.15 | +0.09 |
| 125% ★ | 0.228 | -0.26 | -0.06 | -0.15 | +0.10 |

- **EmoNet emotion** — ↑ Relief (+0.46), Contentment (+0.34), Doubt (+0.34); ↓ Emotional Numbness (-0.43), Contemplation (-0.43), Concentration (-0.36)
- **VoiceNet dimension** — ↑ Disfluency (+0.76), Respiration (+0.67), Genuineness (+0.67); ↓ Formal Style (-0.89), Structure (-0.82), Fullness (-0.81)

Merging **Casual Style __low** damps the dimension: at the recommended **125%** dose the measured Casual Style score moves from a 0.49 baseline to 0.23 (a -0.26 shift). The dose-response is clean and monotonic — each step pushes the dimension further. That reach is a real cost — the biggest hit is to **burst-blend** (-0.15); across the board genuineness -0.06, burst-blend -0.15, speech quality +0.10. Emotionally it reads as Relief (r 0.46), Contentment (0.34) and Doubt (0.34), and it moves away from Emotional Numbness, Contemplation and Concentration. On other voice dimensions it co-moves most with Disfluency (0.76), Respiration (0.67) and Genuineness (0.67), while pulling down Formal Style, Structure and Fullness. Practical call: merge __low at **100–125%**; expect Relief and Disfluency to rise and burst-blend to fall. If you don’t want Relief bleeding in, offset it with a prompt cue toward Emotional Numbness to keep the casual style shift without the side-effect.

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