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A street performer plays a quiet acoustic guitar. A fire truck passes with its siren blaring, and the guitar is totally covered by the siren.

C3-3-03 Environment Transition · sound_attenuation principle: Environmental Masking (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 street performer
  • an acoustic guitar
  • a fire truck
  • a street

Event: a street performer plays an acoustic guitar while a fire truck passes

Audio presence

  • an acoustic guitar
  • a fire truck siren

Sound: ['acoustic guitar', 'fire truck siren']

Key standards

Visual physical commonsense (V-PC)

  • The fire truck moves past on the street with continuous motion, and the performer remains visibly playing the guitar with both hands throughout.

Audio physical commonsense (A-PC)

  • The fire truck siren is louder than the guitar and is audibly recognizable as a siren while the truck passes.

Cross-modal physical commonsense (AV-PC)

  • The period during which the guitar becomes inaudible aligns in time with the visible passage of the fire truck.