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First-person view pushing a shopping cart through a supermarket, the wheels rattling on the tile floor. A PA announcement comes through ceiling speakers: "Attention shoppers, fresh strawberries are now half price in aisle three."

C1-2-16 Steady State · source_anchoring principle: Diegetic Sound (Wave)
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 shopping cart
  • a supermarket
  • a tile floor

Event: a shopping cart is pushed through a supermarket

Audio presence

  • a shopping cart
  • ceiling speakers

Sound: ['cart wheels on tile', 'PA announcement']

Key standards

Visual physical commonsense (V-PC)

  • The view is first-person POV from the cart-pusher's perspective.
  • The first-person actor visibly pushes the cart, with hands or arms on the cart handle and the cart moving with the camera.

Audio physical commonsense (A-PC)

  • The cart wheels carry the natural rattle timbre of hard wheels rolling on tile flooring throughout the cart's visible motion.
  • The PA announcement carries the band-limited compressed and slightly reverberant timbre of overhead ceiling speakers in a large retail space.

Cross-modal physical commonsense (AV-PC)

  • The cart rattle originates from the visible cart wheels rolling on the tile floor.
  • The PA announcement originates from overhead PA speakers consistent with the visible supermarket space.