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A foot steps onto a pile of dry leaves. The sound is crisp and brittle, with many sharp crackles at once.

C1-1-38 Steady State · source_material principle: Natural Material Sounds (Material)
Seedance 2.0ByteDance · proprietary
Kling 3.0 OmniKuaishou · proprietary
Veo 3.1Google · proprietary
LTX-2.3Lightricks · open
Ovi 1.1character.ai · open
JavisDiT++JavisDiT · open
MagiHumanGAIR-NLP · open
Per-prompt rubric

Basic standards

Visual presence

  • a foot
  • dry leaves

Event: a foot steps onto dry leaves

Audio presence

  • dry leaves

Sound: dry leaves crushing

Key standards

Visual physical commonsense (V-PC)

  • The pile under the foot consists of dry leaves, and the leaves compress and scatter under the foot in a physically plausible way.

Audio physical commonsense (A-PC)

  • The sound is crisp, brittle crackling with many sharp simultaneous crackles consistent with dry leaves being crushed.

Cross-modal physical commonsense (AV-PC)

  • The crackling onset aligns in time with the visible foot contact on the leaves.